517323172 has 24 divisors (see below), whose sum is σ = 933254784. Its totient is φ = 250782432.

The previous prime is 517323167. The next prime is 517323173. The reversal of 517323172 is 271323715.

It is not an unprimeable number, because it can be changed into a prime (517323173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7258 + ... + 32974.

It is an arithmetic number, because the mean of its divisors is an integer number (38885616).

Almost surely, 2^517323172 is an apocalyptic number.

It is an amenable number.

517323172 is a deficient number, since it is larger than the sum of its proper divisors (415931612).

517323172 is a wasteful number, since it uses less digits than its factorization.

517323172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25875 (or 25873 counting only the distinct ones).

The product of its digits is 8820, while the sum is 31.

The square root of 517323172 is about 22744.7394357465. The cubic root of 517323172 is about 802.7629321886.

Adding to 517323172 its reverse (271323715), we get a palindrome (788646887).

The spelling of 517323172 in words is "five hundred seventeen million, three hundred twenty-three thousand, one hundred seventy-two".