252052660 has 48 divisors (see below), whose sum is σ = 544239360. Its totient is φ = 98017920.

The previous prime is 252052649. The next prime is 252052687. The reversal of 252052660 is 66250252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104670 + ... + 107050.

It is an arithmetic number, because the mean of its divisors is an integer number (11338320).

Almost surely, 2^252052660 is an apocalyptic number.

252052660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252052660 is an abundant number, since it is smaller than the sum of its proper divisors (292186700).

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

252052660 is a wasteful number, since it uses less digits than its factorization.

252052660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 252052660 is about 15876.1664138419. The cubic root of 252052660 is about 631.6799539892.

The spelling of 252052660 in words is "two hundred fifty-two million, fifty-two thousand, six hundred sixty".