252318072 has 32 divisors (see below), whose sum is σ = 631993680. Its totient is φ = 83946240.

The previous prime is 252318071. The next prime is 252318089. The reversal of 252318072 is 270813252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252318071) 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, 3268 + ... + 22700.

Almost surely, 2^252318072 is an apocalyptic number.

It is an amenable number.

252318072 is an abundant number, since it is smaller than the sum of its proper divisors (379675608).

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

252318072 is a wasteful number, since it uses less digits than its factorization.

252318072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19983 (or 19979 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 252318072 is about 15884.5230334436. The cubic root of 252318072 is about 631.9015963333.

It can be divided in two parts, 2523180 and 72, that added together give a palindrome (2523252).

The spelling of 252318072 in words is "two hundred fifty-two million, three hundred eighteen thousand, seventy-two".