520430975 has 12 divisors (see below), whose sum is σ = 647796336. Its totient is φ = 414756480.

The previous prime is 520430941. The next prime is 520430993. The reversal of 520430975 is 579034025.

It is not a de Polignac number, because 520430975 - 2¹⁰ = 520429951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33002 + ... + 46151.

It is an arithmetic number, because the mean of its divisors is an integer number (53983028).

Almost surely, 2^520430975 is an apocalyptic number.

520430975 is a deficient number, since it is larger than the sum of its proper divisors (127365361).

520430975 is a wasteful number, since it uses less digits than its factorization.

520430975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79426 (or 79421 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 520430975 is about 22812.9562968064. The cubic root of 520430975 is about 804.3672483565.

The spelling of 520430975 in words is "five hundred twenty million, four hundred thirty thousand, nine hundred seventy-five".