513646612 has 12 divisors (see below), whose sum is σ = 901811680. Its totient is φ = 255986136.

The previous prime is 513646607. The next prime is 513646631. The reversal of 513646612 is 216646315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207912 + ... + 210367.

Almost surely, 2^513646612 is an apocalyptic number.

It is an amenable number.

513646612 is a deficient number, since it is larger than the sum of its proper divisors (388165068).

513646612 is a wasteful number, since it uses less digits than its factorization.

513646612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418590 (or 418588 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 513646612 is about 22663.7731192315. The cubic root of 513646612 is about 800.8566926862.

The spelling of 513646612 in words is "five hundred thirteen million, six hundred forty-six thousand, six hundred twelve".