252044538 has 32 divisors (see below), whose sum is σ = 531435840. Its totient is φ = 79470720.

The previous prime is 252044501. The next prime is 252044561. The reversal of 252044538 is 835440252.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252044499 and 252044508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98718 + ... + 101238.

It is an arithmetic number, because the mean of its divisors is an integer number (16607370).

Almost surely, 2^252044538 is an apocalyptic number.

252044538 is an abundant number, since it is smaller than the sum of its proper divisors (279391302).

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

252044538 is a wasteful number, since it uses less digits than its factorization.

252044538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 252044538 is about 15875.9106195519. The cubic root of 252044538 is about 631.6731689524.

The spelling of 252044538 in words is "two hundred fifty-two million, forty-four thousand, five hundred thirty-eight".