252118757 has 8 divisors (see below), whose sum is σ = 276013920. Its totient is φ = 228386160.

The previous prime is 252118739. The next prime is 252118781. The reversal of 252118757 is 757811252.

252118757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252118757 - 2¹⁴ = 252102373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252118757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252118787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37382 + ... + 43607.

It is an arithmetic number, because the mean of its divisors is an integer number (34501740).

Almost surely, 2^252118757 is an apocalyptic number.

It is an amenable number.

252118757 is a deficient number, since it is larger than the sum of its proper divisors (23895163).

252118757 is a wasteful number, since it uses less digits than its factorization.

252118757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81283.

The product of its digits is 39200, while the sum is 38.

The square root of 252118757 is about 15878.2479197171. The cubic root of 252118757 is about 631.7351653365.

The spelling of 252118757 in words is "two hundred fifty-two million, one hundred eighteen thousand, seven hundred fifty-seven".