513463504 has 20 divisors (see below), whose sum is σ = 1021724164. Its totient is φ = 249792768.

The previous prime is 513463501. The next prime is 513463507. The reversal of 513463504 is 405364315.

It is an interprime number because it is at equal distance from previous prime (513463501) and next prime (513463507).

It can be written as a sum of positive squares in 2 ways, for example, as 494973504 + 18490000 = 22248^2 + 4300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513463501) 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, 433077 + ... + 434260.

Almost surely, 2^513463504 is an apocalyptic number.

It is an amenable number.

513463504 is a deficient number, since it is larger than the sum of its proper divisors (508260660).

513463504 is a wasteful number, since it uses less digits than its factorization.

513463504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867382 (or 867376 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 513463504 is about 22659.7330963981. The cubic root of 513463504 is about 800.7615165523.

The spelling of 513463504 in words is "five hundred thirteen million, four hundred sixty-three thousand, five hundred four".