252357972 has 12 divisors (see below), whose sum is σ = 588835296. Its totient is φ = 84119320.

The previous prime is 252357967. The next prime is 252357977. The reversal of 252357972 is 279753252.

252357972 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252357967) and next prime (252357977).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252357977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10514904 + ... + 10514927.

It is an arithmetic number, because the mean of its divisors is an integer number (49069608).

Almost surely, 2^252357972 is an apocalyptic number.

It is an amenable number.

252357972 is an abundant number, since it is smaller than the sum of its proper divisors (336477324).

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

252357972 is a wasteful number, since it uses less digits than its factorization.

252357972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21029838 (or 21029836 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The square root of 252357972 is about 15885.7789233012. The cubic root of 252357972 is about 631.9349028983.

The spelling of 252357972 in words is "two hundred fifty-two million, three hundred fifty-seven thousand, nine hundred seventy-two".