252261558 has 12 divisors (see below), whose sum is σ = 546566748. Its totient is φ = 84087180.

The previous prime is 252261463. The next prime is 252261563. The reversal of 252261558 is 855162252.

It is a happy number.

252261558 is a `hidden beast` number, since 25 + 22 + 61 + 558 = 666.

252261558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7007248 + ... + 7007283.

It is an arithmetic number, because the mean of its divisors is an integer number (45547229).

Almost surely, 2^252261558 is an apocalyptic number.

252261558 is an abundant number, since it is smaller than the sum of its proper divisors (294305190).

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

252261558 is a wasteful number, since it uses less digits than its factorization.

252261558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014539 (or 14014536 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 252261558 is about 15882.7440324397. The cubic root of 252261558 is about 631.8544152058.

The spelling of 252261558 in words is "two hundred fifty-two million, two hundred sixty-one thousand, five hundred fifty-eight".