513339974 has 64 divisors (see below), whose sum is σ = 940032000. Its totient is φ = 209916000.

The previous prime is 513339947. The next prime is 513340027. The reversal of 513339974 is 479933315.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2147747 + ... + 2147985.

It is an arithmetic number, because the mean of its divisors is an integer number (14688000).

Almost surely, 2^513339974 is an apocalyptic number.

513339974 is a deficient number, since it is larger than the sum of its proper divisors (426692026).

513339974 is a wasteful number, since it uses less digits than its factorization.

513339974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 380 counting only the distinct ones).

The product of its digits is 306180, while the sum is 44.

The square root of 513339974 is about 22657.0071721752. The cubic root of 513339974 is about 800.6972951727.

The spelling of 513339974 in words is "five hundred thirteen million, three hundred thirty-nine thousand, nine hundred seventy-four".