507537172 has 12 divisors (see below), whose sum is σ = 900357556. Its totient is φ = 250292160.

The previous prime is 507537157. The next prime is 507537179. The reversal of 507537172 is 271735705.

It can be written as a sum of positive squares in 2 ways, for example, as 234824976 + 272712196 = 15324^2 + 16514^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507537179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868779 + ... + 869362.

Almost surely, 2^507537172 is an apocalyptic number.

It is an amenable number.

507537172 is a deficient number, since it is larger than the sum of its proper divisors (392820384).

507537172 is a wasteful number, since it uses less digits than its factorization.

507537172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738218 (or 1738216 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 507537172 is about 22528.5856635520. The cubic root of 507537172 is about 797.6688240381.

The spelling of 507537172 in words is "five hundred seven million, five hundred thirty-seven thousand, one hundred seventy-two".