252635568 has 20 divisors (see below), whose sum is σ = 652642008. Its totient is φ = 84211840.

The previous prime is 252635567. The next prime is 252635597. The reversal of 252635568 is 865536252.

It is not an unprimeable number, because it can be changed into a prime (252635561) 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, 2631573 + ... + 2631668.

Almost surely, 2^252635568 is an apocalyptic number.

It is an amenable number.

252635568 is an abundant number, since it is smaller than the sum of its proper divisors (400006440).

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

252635568 is a wasteful number, since it uses less digits than its factorization.

252635568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263252 (or 5263246 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 252635568 is about 15894.5137704807. The cubic root of 252635568 is about 632.1665293151.

The spelling of 252635568 in words is "two hundred fifty-two million, six hundred thirty-five thousand, five hundred sixty-eight".