508172 has 12 divisors (see below), whose sum is σ = 1016400. Its totient is φ = 217776.

The previous prime is 508171. The next prime is 508187. The reversal of 508172 is 271805.

508172 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (508171) 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, 9047 + ... + 9102.

It is an arithmetic number, because the mean of its divisors is an integer number (84700).

2⁵⁰⁸¹⁷² is an apocalyptic number.

It is an amenable number.

508172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

508172 is a wasteful number, since it uses less digits than its factorization.

508172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18160 (or 18158 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 508172 is about 712.8618379462. The cubic root of 508172 is about 79.8001260459.

Adding to 508172 its reverse (271805), we get a palindrome (779977).

The spelling of 508172 in words is "five hundred eight thousand, one hundred seventy-two".