520638714 has 24 divisors (see below), whose sum is σ = 1131411060. Its totient is φ = 173029248.

The previous prime is 520638691. The next prime is 520638737. The reversal of 520638714 is 417836025.

520638714 is a `hidden beast` number, since 5 + 2 + 0 + 638 + 7 + 14 = 666.

It is an interprime number because it is at equal distance from previous prime (520638691) and next prime (520638737).

It can be written as a sum of positive squares in 2 ways, for example, as 429111225 + 91527489 = 20715^2 + 9567^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36849 + ... + 48980.

Almost surely, 2^520638714 is an apocalyptic number.

520638714 is an abundant number, since it is smaller than the sum of its proper divisors (610772346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520638714 is a wasteful number, since it uses less digits than its factorization.

520638714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86174 (or 86171 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 520638714 is about 22817.5089350262. The cubic root of 520638714 is about 804.4742598062.

The spelling of 520638714 in words is "five hundred twenty million, six hundred thirty-eight thousand, seven hundred fourteen".