513752464 has 20 divisors (see below), whose sum is σ = 1005062656. Its totient is φ = 254381472.

The previous prime is 513752453. The next prime is 513752489. The reversal of 513752464 is 464257315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154224 + ... + 157519.

Almost surely, 2^513752464 is an apocalyptic number.

It is an amenable number.

513752464 is a deficient number, since it is larger than the sum of its proper divisors (491310192).

513752464 is a wasteful number, since it uses less digits than its factorization.

513752464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311854 (or 311848 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 513752464 is about 22666.1082676317. The cubic root of 513752464 is about 800.9117022707.

The spelling of 513752464 in words is "five hundred thirteen million, seven hundred fifty-two thousand, four hundred sixty-four".