25000000

25000000 is the integer equal to twenty-five million. In decimal notation it is written as 25000000, and in words as twenty-five million. It is an even number and a multiple of ten, with six trailing zeros.

Mathematically, 25000000 is a composite number. Its prime factorization is 2^6 × 5^8, which shows it is the product of powers of two and five. It equals 25 × 10^6 and can be expressed in scientific notation as 2.5 × 10^7. The number is divisible by 2, 4, 8, 16, 32 and by 5, 25, 125, and by 1,000,000, among other factors, reflecting its base-10 structure.

In various contexts, 25000000 is used as a round, easy-to-calculate figure for large counts. It commonly appears in statistics, finance, and problem-solving examples to denote large populations, budgets, or data sizes. The explicit factorization into powers of 2 and 5 makes it convenient in discussions of decimal and binary representations, as well as in scaling calculations.

In other numeral systems, 25000000 can be represented in binary, hexadecimal, and other bases, just as any integer can. Its base-10 form and its status as a multiple of 10^6 make it a frequent reference point in demonstrations of rounding, estimation, and arithmetic involving large numbers.