513066915 has 12 divisors (see below), whose sum is σ = 889316064. Its totient is φ = 273635664.

The previous prime is 513066893. The next prime is 513066929. The reversal of 513066915 is 519660315.

It is not a de Polignac number, because 513066915 - 2⁹ = 513066403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513066915.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5700699 + ... + 5700788.

It is an arithmetic number, because the mean of its divisors is an integer number (74109672).

Almost surely, 2^513066915 is an apocalyptic number.

513066915 is a deficient number, since it is larger than the sum of its proper divisors (376249149).

513066915 is a wasteful number, since it uses less digits than its factorization.

513066915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401498 (or 11401495 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 513066915 is about 22650.9804423561. The cubic root of 513066915 is about 800.5552993599. Note that the first 3 decimals are identical.

The spelling of 513066915 in words is "five hundred thirteen million, sixty-six thousand, nine hundred fifteen".