520375207 has 32 divisors (see below), whose sum is σ = 626098176. Its totient is φ = 427442400.

The previous prime is 520375169. The next prime is 520375213. The reversal of 520375207 is 702573025.

It is not a de Polignac number, because 520375207 - 2²⁷ = 386157479 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520375237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336478 + ... + 338020.

It is an arithmetic number, because the mean of its divisors is an integer number (19565568).

Almost surely, 2^520375207 is an apocalyptic number.

520375207 is a deficient number, since it is larger than the sum of its proper divisors (105722969).

520375207 is a wasteful number, since it uses less digits than its factorization.

520375207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 520375207 is about 22811.7339761799. The cubic root of 520375207 is about 804.3385160447.

The spelling of 520375207 in words is "five hundred twenty million, three hundred seventy-five thousand, two hundred seven".