518272 has 16 divisors (see below), whose sum is σ = 1032750. Its totient is φ = 259072.

The previous prime is 518261. The next prime is 518291. The reversal of 518272 is 272815.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 33856 = 696^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

518272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1897 + ... + 2152.

2⁵¹⁸²⁷² is an apocalyptic number.

It is an amenable number.

518272 is a deficient number, since it is larger than the sum of its proper divisors (514478).

518272 is an equidigital number, since it uses as much as digits as its factorization.

518272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063 (or 4051 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 518272 is about 719.9111056235. The cubic root of 518272 is about 80.3253417822.

The spelling of 518272 in words is "five hundred eighteen thousand, two hundred seventy-two".