656262252 has 18 divisors (see below), whose sum is σ = 1658885228. Its totient is φ = 218754072.

The previous prime is 656262247. The next prime is 656262263. The reversal of 656262252 is 252262656.

656262252 is a `hidden beast` number, since 6 + 5 + 626 + 2 + 25 + 2 = 666.

656262252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×656262252² = 861360286800223008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18229507 = 656262252 / (6 + 5 + 6 + 2 + 6 + 2 + 2 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9114718 + ... + 9114789.

Almost surely, 2^656262252 is an apocalyptic number.

It is an amenable number.

656262252 is an abundant number, since it is smaller than the sum of its proper divisors (1002622976).

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

656262252 is a wasteful number, since it uses less digits than its factorization.

656262252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18229517 (or 18229512 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 656262252 is about 25617.6160483367. The cubic root of 656262252 is about 869.0120692233.

The spelling of 656262252 in words is "six hundred fifty-six million, two hundred sixty-two thousand, two hundred fifty-two".