252642650 has 48 divisors (see below), whose sum is σ = 508889304. Its totient is φ = 92762880.

The previous prime is 252642641. The next prime is 252642667. The reversal of 252642650 is 56246252.

252642650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 12609601 + 240033049 = 3551^2 + 15493^2 .

It is a Curzon number.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127064 + ... + 129036.

Almost surely, 2^252642650 is an apocalyptic number.

252642650 is an abundant number, since it is smaller than the sum of its proper divisors (256246654).

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

252642650 is a wasteful number, since it uses less digits than its factorization.

252642650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 252642650 is about 15894.7365501917. The cubic root of 252642650 is about 632.1724363239.

The spelling of 252642650 in words is "two hundred fifty-two million, six hundred forty-two thousand, six hundred fifty".