252756615 has 16 divisors (see below), whose sum is σ = 404723808. Its totient is φ = 134699136.

The previous prime is 252756607. The next prime is 252756617. The reversal of 252756615 is 516657252.

It is not a de Polignac number, because 252756615 - 2³ = 252756607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252756617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15997 + ... + 27593.

It is an arithmetic number, because the mean of its divisors is an integer number (25295238).

Almost surely, 2^252756615 is an apocalyptic number.

252756615 is a deficient number, since it is larger than the sum of its proper divisors (151967193).

252756615 is a wasteful number, since it uses less digits than its factorization.

252756615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13058.

The product of its digits is 126000, while the sum is 39.

The square root of 252756615 is about 15898.3211377806. The cubic root of 252756615 is about 632.2674779454.

The spelling of 252756615 in words is "two hundred fifty-two million, seven hundred fifty-six thousand, six hundred fifteen".