252581025 has 24 divisors (see below), whose sum is σ = 431075584. Its totient is φ = 130363200.

The previous prime is 252581023. The next prime is 252581027. The reversal of 252581025 is 520185252.

It is an interprime number because it is at equal distance from previous prime (252581023) and next prime (252581027).

It is not a de Polignac number, because 252581025 - 2¹ = 252581023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252580983 and 252581001.

It is not an unprimeable number, because it can be changed into a prime (252581023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51994 + ... + 56643.

Almost surely, 2^252581025 is an apocalyptic number.

252581025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252581025 is a deficient number, since it is larger than the sum of its proper divisors (178494559).

252581025 is a wasteful number, since it uses less digits than its factorization.

252581025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108681 (or 108676 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 252581025 is about 15892.7978971608. The cubic root of 252581025 is about 632.1210319729.

The spelling of 252581025 in words is "two hundred fifty-two million, five hundred eighty-one thousand, twenty-five".