252074556 has 18 divisors (see below), whose sum is σ = 637188552. Its totient is φ = 84024840.

The previous prime is 252074497. The next prime is 252074573. The reversal of 252074556 is 655470252.

252074556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7002071 = 252074556 / (2 + 5 + 2 + 0 + 7 + 4 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 252074556.

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, 3501000 + ... + 3501071.

It is an arithmetic number, because the mean of its divisors is an integer number (35399364).

Almost surely, 2^252074556 is an apocalyptic number.

It is an amenable number.

252074556 is an abundant number, since it is smaller than the sum of its proper divisors (385113996).

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

252074556 is a wasteful number, since it uses less digits than its factorization.

252074556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002081 (or 7002076 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 252074556 is about 15876.8559859942. The cubic root of 252074556 is about 631.6982449603.

The spelling of 252074556 in words is "two hundred fifty-two million, seventy-four thousand, five hundred fifty-six".