252043518 has 16 divisors (see below), whose sum is σ = 504268416. Its totient is φ = 83984280.

The previous prime is 252043501. The next prime is 252043537. The reversal of 252043518 is 815340252.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16305 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (31516776).

Almost surely, 2^252043518 is an apocalyptic number.

252043518 is an abundant number, since it is smaller than the sum of its proper divisors (252224898).

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

252043518 is a wasteful number, since it uses less digits than its factorization.

252043518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15119.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 252043518 is about 15875.8784953778. The cubic root of 252043518 is about 631.6723168444.

The spelling of 252043518 in words is "two hundred fifty-two million, forty-three thousand, five hundred eighteen".