252604632 has 128 divisors (see below), whose sum is σ = 769443840. Its totient is φ = 67461120.

The previous prime is 252604619. The next prime is 252604663. The reversal of 252604632 is 236406252.

252604632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252604632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 688113 + ... + 688479.

It is an arithmetic number, because the mean of its divisors is an integer number (6011280).

Almost surely, 2^252604632 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 252604632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384721920).

252604632 is an abundant number, since it is smaller than the sum of its proper divisors (516839208).

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

252604632 is a wasteful number, since it uses less digits than its factorization.

252604632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 252604632 is about 15893.5405747115. The cubic root of 252604632 is about 632.1407246851.

It can be divided in two parts, 25260 and 4632, that added together give a palindrome (29892).

The spelling of 252604632 in words is "two hundred fifty-two million, six hundred four thousand, six hundred thirty-two".