518312 has 16 divisors (see below), whose sum is σ = 987360. Its totient is φ = 255024.

The previous prime is 518311. The next prime is 518327. The reversal of 518312 is 213815.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (518311) 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, 53 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (61710).

2⁵¹⁸³¹² is an apocalyptic number.

It is an amenable number.

518312 is a deficient number, since it is larger than the sum of its proper divisors (469048).

518312 is a wasteful number, since it uses less digits than its factorization.

518312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1036 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 518312 is about 719.9388862952. The cubic root of 518312 is about 80.3274082203.

The spelling of 518312 in words is "five hundred eighteen thousand, three hundred twelve".