513327915 has 64 divisors (see below), whose sum is σ = 983162880. Its totient is φ = 253376640.

The previous prime is 513327911. The next prime is 513327917. The reversal of 513327915 is 519723315.

It is not a de Polignac number, because 513327915 - 2² = 513327911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513327915.

It is not an unprimeable number, because it can be changed into a prime (513327911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93589 + ... + 98921.

It is an arithmetic number, because the mean of its divisors is an integer number (15361920).

Almost surely, 2^513327915 is an apocalyptic number.

513327915 is a deficient number, since it is larger than the sum of its proper divisors (469834965).

513327915 is a wasteful number, since it uses less digits than its factorization.

513327915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401 (or 5395 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 513327915 is about 22656.7410498509. The cubic root of 513327915 is about 800.6910253290.

The spelling of 513327915 in words is "five hundred thirteen million, three hundred twenty-seven thousand, nine hundred fifteen".