250000

250000 is the integer between 249999 and 250001. In ordinary writing it appears as 250,000 and is read as “two hundred fifty thousand.” In scientific notation it is 2.5 × 10^5, and it is commonly described as a quarter of a million.

Mathematically, 250,000 ends with four zeros, making it divisible by 10,000. Its prime factorization is 2^4 × 5^6, which shows it is divisible by powers of both 2 and 5. It is an even and composite number. The sum of its digits is 7, so it is not divisible by 3 or 9. Consequently, it is a multiple of 16 and 15625, and hence of 10,000.

In practical contexts, 250,000 is often used as a milestone or rounded total. The phrase “quarter of a million” denotes this value and is used in population counts, budgets, statistics, and other planning figures. In data storage terms, 250,000 bytes is approximately 244 kibibytes (KiB), illustrating how the number functions in real-world measurements as well as pure arithmetic.

See also: quarter of a million, round number, large integers.