520507396 has 12 divisors (see below), whose sum is σ = 911274448. Its totient is φ = 260143272.

The previous prime is 520507369. The next prime is 520507417. The reversal of 520507396 is 693705025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16506 + ... + 36241.

Almost surely, 2^520507396 is an apocalyptic number.

It is an amenable number.

520507396 is a deficient number, since it is larger than the sum of its proper divisors (390767052).

520507396 is a wasteful number, since it uses less digits than its factorization.

520507396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55218 (or 55216 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 520507396 is about 22814.6311826424. The cubic root of 520507396 is about 804.4066179968.

The spelling of 520507396 in words is "five hundred twenty million, five hundred seven thousand, three hundred ninety-six".