520481915 has 16 divisors (see below), whose sum is σ = 658020000. Its totient is φ = 394129152.

The previous prime is 520481887. The next prime is 520481947. The reversal of 520481915 is 519184025.

It is a cyclic number.

It is not a de Polignac number, because 520481915 - 2⁶ = 520481851 is a prime.

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, 187961 + ... + 190709.

It is an arithmetic number, because the mean of its divisors is an integer number (41126250).

Almost surely, 2^520481915 is an apocalyptic number.

520481915 is a deficient number, since it is larger than the sum of its proper divisors (137538085).

520481915 is a wasteful number, since it uses less digits than its factorization.

520481915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 520481915 is about 22814.0727403066. The cubic root of 520481915 is about 804.3934914337.

The spelling of 520481915 in words is "five hundred twenty million, four hundred eighty-one thousand, nine hundred fifteen".