2,025
2,025 is a composite number, odd, a calendar year.
Notable events — 2025 AD
- Jan 7 Wildfires devastate Greater Los Angeles, fueled by drought and high winds.
- Jan 19 A ceasefire takes effect in the Gaza war.
- Jan 27 The release of DeepSeek's AI chatbot triggers a sharp sell-off in global tech stocks.
- Feb 18 Egypt announces the discovery of Thutmose II's tomb, the first royal tomb found since Tutankhamun's.
- Feb 18 The United States and Russia agree to restore diplomatic relations at a summit in Riyadh.
Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0
Year facts
- Year type
-
Common year
Standard 365-day year; not divisible by 4 (or divisible by 100 but not 400).
- Days in year
- 365
- ISO weeks
- 52
- Started on
-
Wednesday
January 1, 2025
- Ended on
-
Wednesday
December 31, 2025
- Friday the 13ths
-
1
One Friday the 13th this year.
- Easter Sunday
-
April 20
Sunday, April 20, 2025
- Decade
-
2020s
2020–2029
- Century
-
21st century
2001–2100
- Millennium
-
3rd millennium
2001–3000
- Years ago
-
1
1 years before 2026.
In other calendars
- Hebrew
-
5785 / 5786 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1446 / 1447 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Wood zodiac:Snake
Sexagenary cycle position 42 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2568 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1403 / 1404 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
2017 / 2018 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1947 / 1946 Saka
Indian national calendar; year starts in March.
- Japanese
-
Reiwa 7
Reign-era counting from the start of each emperor's reign.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 5,202
- Recamán's sequence
- a(3,701) = 2,025
- Square (n²)
- 4,100,625
- Cube (n³)
- 8,303,765,625
- Square root (√n)
- 45
- Divisor count
- 15
- σ(n) — sum of divisors
- 3,751
- φ(n) — Euler's totient
- 1,080
- Sum of prime factors
- 22
Primality
Prime factorization: 3 4 × 5 2
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- two thousand twenty-five
- Ordinal
- 2025th
- Roman numeral
- MMXXV
- Binary
- 11111101001
- Octal
- 3751
- Hexadecimal
- 0x7E9
- Base64
- B+k=
- One's complement
- 63,510 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵βκεʹ
- Mayan (base 20)
- 𝋥·𝋡·𝋥
- Chinese
- 二千零二十五
- Chinese (financial)
- 貳仟零貳拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 2,025 = 5
- e — Euler's number (e)
- Digit 2,025 = 8
- φ — Golden ratio (φ)
- Digit 2,025 = 1
- √2 — Pythagoras's (√2)
- Digit 2,025 = 4
- ln 2 — Natural log of 2
- Digit 2,025 = 2
- γ — Euler-Mascheroni (γ)
- Digit 2,025 = 8
Also seen as
UTF-8 encoding: DF A9 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.233.
- Address
- 0.0.7.233
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.233
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 2025 first appears in π at position 33,953 of the decimal expansion (the 33,953ordinal-suffix:rd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.