252636052 has 24 divisors (see below), whose sum is σ = 460038600. Its totient is φ = 121247616.

The previous prime is 252636049. The next prime is 252636067. The reversal of 252636052 is 250636252.

It can be written as a sum of positive squares in 4 ways, for example, as 37896336 + 214739716 = 6156^2 + 14654^2 .

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, 13774 + ... + 26362.

It is an arithmetic number, because the mean of its divisors is an integer number (19168275).

Almost surely, 2^252636052 is an apocalyptic number.

It is an amenable number.

252636052 is a deficient number, since it is larger than the sum of its proper divisors (207402548).

252636052 is a wasteful number, since it uses less digits than its factorization.

252636052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795 (or 12793 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 252636052 is about 15894.5289958526. The cubic root of 252636052 is about 632.1669330171.

The spelling of 252636052 in words is "two hundred fifty-two million, six hundred thirty-six thousand, fifty-two".