25320250 has 16 divisors (see below), whose sum is σ = 47399976. Its totient is φ = 10128000.

The previous prime is 25320241. The next prime is 25320283. The reversal of 25320250 is 5202352.

It can be written as a sum of positive squares in 4 ways, for example, as 1535121 + 23785129 = 1239^2 + 4877^2 .

It is a super-2 number, since 2×25320250² = 1282230120125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50391 + ... + 50890.

Almost surely, 2^25320250 is an apocalyptic number.

25320250 is a deficient number, since it is larger than the sum of its proper divisors (22079726).

25320250 is a wasteful number, since it uses less digits than its factorization.

25320250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101298 (or 101288 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25320250 is about 5031.9230916221. The cubic root of 25320250 is about 293.6450356835.

It can be divided in two parts, 253 and 20250, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 25320250 in words is "twenty-five million, three hundred twenty thousand, two hundred fifty".