518372 has 6 divisors (see below), whose sum is σ = 907158. Its totient is φ = 259184.

The previous prime is 518341. The next prime is 518387. The reversal of 518372 is 273815.

518372 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 376996 + 141376 = 614^2 + 376^2 .

It is an unprimeable 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 as a sum of consecutive naturals, namely, 64793 + ... + 64800.

It is an arithmetic number, because the mean of its divisors is an integer number (151193).

2⁵¹⁸³⁷² is an apocalyptic number.

It is an amenable number.

518372 is a deficient number, since it is larger than the sum of its proper divisors (388786).

518372 is a wasteful number, since it uses less digits than its factorization.

518372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129597 (or 129595 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 518372 is about 719.9805552930. The cubic root of 518372 is about 80.3305076781.

The spelling of 518372 in words is "five hundred eighteen thousand, three hundred seventy-two".