252857165 has 16 divisors (see below), whose sum is σ = 331992000. Its totient is φ = 183352320.

The previous prime is 252857153. The next prime is 252857203. The reversal of 252857165 is 561758252.

252857165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252857165 - 2⁸ = 252856909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12461 + ... + 25709.

It is an arithmetic number, because the mean of its divisors is an integer number (20749500).

Almost surely, 2^252857165 is an apocalyptic number.

It is an amenable number.

252857165 is a deficient number, since it is larger than the sum of its proper divisors (79134835).

252857165 is a wasteful number, since it uses less digits than its factorization.

252857165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612.

The product of its digits is 168000, while the sum is 41.

The square root of 252857165 is about 15901.4831069306. The cubic root of 252857165 is about 632.3513083482.

The spelling of 252857165 in words is "two hundred fifty-two million, eight hundred fifty-seven thousand, one hundred sixty-five".