252691315 has 16 divisors (see below), whose sum is σ = 329748192. Its totient is φ = 185117184.

The previous prime is 252691291. The next prime is 252691319. The reversal of 252691315 is 513196252.

It is a cyclic number.

It is not a de Polignac number, because 252691315 - 2¹⁵ = 252658547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252691319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37029 + ... + 43318.

It is an arithmetic number, because the mean of its divisors is an integer number (20609262).

Almost surely, 2^252691315 is an apocalyptic number.

252691315 is a deficient number, since it is larger than the sum of its proper divisors (77056877).

252691315 is a wasteful number, since it uses less digits than its factorization.

252691315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80406.

The product of its digits is 16200, while the sum is 34.

The square root of 252691315 is about 15896.2673291562. The cubic root of 252691315 is about 632.2130242142.

The spelling of 252691315 in words is "two hundred fifty-two million, six hundred ninety-one thousand, three hundred fifteen".