520952715 has 20 divisors (see below), whose sum is σ = 933856704. Its totient is φ = 277841232.

The previous prime is 520952701. The next prime is 520952779. The reversal of 520952715 is 517259025.

It is not a de Polignac number, because 520952715 - 2⁷ = 520952587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520952715.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 642747 + ... + 643556.

Almost surely, 2^520952715 is an apocalyptic number.

520952715 is a deficient number, since it is larger than the sum of its proper divisors (412903989).

520952715 is a wasteful number, since it uses less digits than its factorization.

520952715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286320 (or 1286311 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 520952715 is about 22824.3886007928. The cubic root of 520952715 is about 804.6359553988.

The spelling of 520952715 in words is "five hundred twenty million, nine hundred fifty-two thousand, seven hundred fifteen".