252057318 has 16 divisors (see below), whose sum is σ = 507743040. Its totient is φ = 83414376.

The previous prime is 252057269. The next prime is 252057319. The reversal of 252057318 is 813750252.

252057318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252057319) 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, 150280 + ... + 151947.

It is an arithmetic number, because the mean of its divisors is an integer number (31733940).

Almost surely, 2^252057318 is an apocalyptic number.

252057318 is an abundant number, since it is smaller than the sum of its proper divisors (255685722).

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

252057318 is a wasteful number, since it uses less digits than its factorization.

252057318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302371.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 252057318 is about 15876.3131110469. The cubic root of 252057318 is about 631.6838451696.

It can be divided in two parts, 25205 and 7318, that added together give a palindrome (32523).

The spelling of 252057318 in words is "two hundred fifty-two million, fifty-seven thousand, three hundred eighteen".