252656620 has 12 divisors (see below), whose sum is σ = 530578944. Its totient is φ = 101062640.

The previous prime is 252656597. The next prime is 252656629. The reversal of 252656620 is 26656252.

It is not an unprimeable number, because it can be changed into a prime (252656629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6316396 + ... + 6316435.

It is an arithmetic number, because the mean of its divisors is an integer number (44214912).

Almost surely, 2^252656620 is an apocalyptic number.

252656620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252656620 is an abundant number, since it is smaller than the sum of its proper divisors (277922324).

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

252656620 is a wasteful number, since it uses less digits than its factorization.

252656620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632840 (or 12632838 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 252656620 is about 15895.1759977674. The cubic root of 252656620 is about 632.1840882047.

The spelling of 252656620 in words is "two hundred fifty-two million, six hundred fifty-six thousand, six hundred twenty".