518212 has 6 divisors (see below), whose sum is σ = 906878. Its totient is φ = 259104.

The previous prime is 518209. The next prime is 518233. The reversal of 518212 is 212815.

It can be written as a sum of positive squares in only one way, i.e., 264196 + 254016 = 514^2 + 504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 518212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64773 + ... + 64780.

2⁵¹⁸²¹² is an apocalyptic number.

It is an amenable number.

518212 is a deficient number, since it is larger than the sum of its proper divisors (388666).

518212 is a wasteful number, since it uses less digits than its factorization.

518212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129557 (or 129555 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 518212 is about 719.8694326057. The cubic root of 518212 is about 80.3222419256.

The spelling of 518212 in words is "five hundred eighteen thousand, two hundred twelve".