513609064 has 32 divisors (see below), whose sum is σ = 1016532000. Its totient is φ = 242609472.

The previous prime is 513609043. The next prime is 513609079. The reversal of 513609064 is 460906315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52167 + ... + 61225.

It is an arithmetic number, because the mean of its divisors is an integer number (31766625).

Almost surely, 2^513609064 is an apocalyptic number.

It is an amenable number.

513609064 is a deficient number, since it is larger than the sum of its proper divisors (502922936).

513609064 is a wasteful number, since it uses less digits than its factorization.

513609064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457 (or 9453 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 513609064 is about 22662.9447336395. The cubic root of 513609064 is about 800.8371777778.

The spelling of 513609064 in words is "five hundred thirteen million, six hundred nine thousand, sixty-four".