252525460 has 24 divisors (see below), whose sum is σ = 578513376. Its totient is φ = 91827360.

The previous prime is 252525451. The next prime is 252525509. The reversal of 252525460 is 64525252.

It is a happy number.

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, 573702 + ... + 574141.

It is an arithmetic number, because the mean of its divisors is an integer number (24104724).

Almost surely, 2^252525460 is an apocalyptic number.

252525460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252525460 is an abundant number, since it is smaller than the sum of its proper divisors (325987916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252525460 is a wasteful number, since it uses less digits than its factorization.

252525460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147863 (or 1147861 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 252525460 is about 15891.0496821324. The cubic root of 252525460 is about 632.0746753881.

The spelling of 252525460 in words is "two hundred fifty-two million, five hundred twenty-five thousand, four hundred sixty".