252663432 has 64 divisors (see below), whose sum is σ = 732702720. Its totient is φ = 71108928.

The previous prime is 252663421. The next prime is 252663461. The reversal of 252663432 is 234366252.

252663432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252663393 and 252663402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33 + ... + 22479.

It is an arithmetic number, because the mean of its divisors is an integer number (11448480).

Almost surely, 2^252663432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252663432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366351360).

252663432 is an abundant number, since it is smaller than the sum of its proper divisors (480039288).

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

252663432 is a wasteful number, since it uses less digits than its factorization.

252663432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22530 (or 22526 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 252663432 is about 15895.3902751710. The cubic root of 252663432 is about 632.1897696962.

The spelling of 252663432 in words is "two hundred fifty-two million, six hundred sixty-three thousand, four hundred thirty-two".