513230212 has 18 divisors (see below), whose sum is σ = 987226814. Its totient is φ = 233286240.

The previous prime is 513230209. The next prime is 513230213. The reversal of 513230212 is 212032315.

It can be written as a sum of positive squares in only one way, i.e., 319908996 + 193321216 = 17886^2 + 13904^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 513230212.

It is not an unprimeable number, because it can be changed into a prime (513230213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529713 + ... + 530680.

Almost surely, 2^513230212 is an apocalyptic number.

It is an amenable number.

513230212 is a deficient number, since it is larger than the sum of its proper divisors (473996602).

513230212 is a wasteful number, since it uses less digits than its factorization.

513230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060419 (or 1060406 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 513230212 is about 22654.5847898389. The cubic root of 513230212 is about 800.6402229233.

Adding to 513230212 its reverse (212032315), we get a palindrome (725262527).

It can be divided in two parts, 5132 and 30212, that added together give a square (35344 = 188²).

The spelling of 513230212 in words is "five hundred thirteen million, two hundred thirty thousand, two hundred twelve".