515064715 has 16 divisors (see below), whose sum is σ = 677477376. Its totient is φ = 372808800.

The previous prime is 515064709. The next prime is 515064727. The reversal of 515064715 is 517460515.

It is not a de Polignac number, because 515064715 - 2²⁵ = 481510283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10587 + ... + 33796.

It is an arithmetic number, because the mean of its divisors is an integer number (42342336).

Almost surely, 2^515064715 is an apocalyptic number.

515064715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

515064715 is a deficient number, since it is larger than the sum of its proper divisors (162412661).

515064715 is a wasteful number, since it uses less digits than its factorization.

515064715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44610.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 515064715 is about 22695.0372328401. The cubic root of 515064715 is about 801.5930314371.

The spelling of 515064715 in words is "five hundred fifteen million, sixty-four thousand, seven hundred fifteen".