520506315 has 48 divisors (see below), whose sum is σ = 1040802048. Its totient is φ = 235706688.

The previous prime is 520506313. The next prime is 520506367. The reversal of 520506315 is 513605025.

520506315 is a `hidden beast` number, since 5 + 20 + 5 + 0 + 631 + 5 = 666.

It is not a de Polignac number, because 520506315 - 2¹ = 520506313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520506313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25984 + ... + 41426.

It is an arithmetic number, because the mean of its divisors is an integer number (21683376).

Almost surely, 2^520506315 is an apocalyptic number.

520506315 is a deficient number, since it is larger than the sum of its proper divisors (520295733).

520506315 is a wasteful number, since it uses less digits than its factorization.

520506315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15568 (or 15565 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 520506315 is about 22814.6074916927. The cubic root of 520506315 is about 804.4060611272.

The spelling of 520506315 in words is "five hundred twenty million, five hundred six thousand, three hundred fifteen".