513004664 has 16 divisors (see below), whose sum is σ = 995052600. Its totient is φ = 247657312.

The previous prime is 513004651. The next prime is 513004691. The reversal of 513004664 is 466400315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105382 + ... + 1105845.

Almost surely, 2^513004664 is an apocalyptic number.

It is an amenable number.

513004664 is a deficient number, since it is larger than the sum of its proper divisors (482047936).

513004664 is a wasteful number, since it uses less digits than its factorization.

513004664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211262 (or 2211258 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 513004664 is about 22649.6062658935. The cubic root of 513004664 is about 800.5229206181.

Adding to 513004664 its reverse (466400315), we get a palindrome (979404979).

The spelling of 513004664 in words is "five hundred thirteen million, four thousand, six hundred sixty-four".