252390324 has 12 divisors (see below), whose sum is σ = 588910784. Its totient is φ = 84130104.

The previous prime is 252390323. The next prime is 252390337. The reversal of 252390324 is 423093252.

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

It is a junction number, because it is equal to n+sod(n) for n = 252390291 and 252390300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252390323) 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, 10516252 + ... + 10516275.

Almost surely, 2^252390324 is an apocalyptic number.

It is an amenable number.

252390324 is an abundant number, since it is smaller than the sum of its proper divisors (336520460).

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

252390324 is a wasteful number, since it uses less digits than its factorization.

252390324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21032534 (or 21032532 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 252390324 is about 15886.7971599061. The cubic root of 252390324 is about 631.9619061855.

The spelling of 252390324 in words is "two hundred fifty-two million, three hundred ninety thousand, three hundred twenty-four".