252634568 has 8 divisors (see below), whose sum is σ = 473689830. Its totient is φ = 126317280.

The previous prime is 252634567. The next prime is 252634607. The reversal of 252634568 is 865436252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 247055524 + 5579044 = 15718^2 + 2362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (252634567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15789653 + ... + 15789668.

Almost surely, 2^252634568 is an apocalyptic number.

It is an amenable number.

252634568 is a deficient number, since it is larger than the sum of its proper divisors (221055262).

252634568 is a wasteful number, since it uses less digits than its factorization.

252634568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31579327 (or 31579323 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 252634568 is about 15894.4823130544. The cubic root of 252634568 is about 632.1656952186.

The spelling of 252634568 in words is "two hundred fifty-two million, six hundred thirty-four thousand, five hundred sixty-eight".