252711018 has 48 divisors (see below), whose sum is σ = 662575680. Its totient is φ = 67955328.

The previous prime is 252711007. The next prime is 252711031. The reversal of 252711018 is 810117252.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252710982 and 252711000.

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, 56848 + ... + 61131.

It is an arithmetic number, because the mean of its divisors is an integer number (13803660).

Almost surely, 2^252711018 is an apocalyptic number.

252711018 is an abundant number, since it is smaller than the sum of its proper divisors (409864662).

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

252711018 is a wasteful number, since it uses less digits than its factorization.

252711018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118011 (or 118008 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 252711018 is about 15896.8870537599. The cubic root of 252711018 is about 632.2294555525.

The spelling of 252711018 in words is "two hundred fifty-two million, seven hundred eleven thousand, eighteen".