507172 has 12 divisors (see below), whose sum is σ = 896896. Its totient is φ = 250920.

The previous prime is 507163. The next prime is 507193. The reversal of 507172 is 271705.

It is an unprimeable number.

507172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204 + ... + 1027.

2⁵⁰⁷¹⁷² is an apocalyptic number.

It is an amenable number.

507172 is a deficient number, since it is larger than the sum of its proper divisors (389724).

507172 is a wasteful number, since it uses less digits than its factorization.

507172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 507172 is about 712.1600943608. The cubic root of 507172 is about 79.7477471087.

Adding to 507172 its reverse (271705), we get a palindrome (778877).

The spelling of 507172 in words is "five hundred seven thousand, one hundred seventy-two".