520566117 has 16 divisors (see below), whose sum is σ = 702344832. Its totient is φ = 342927360.

The previous prime is 520566113. The next prime is 520566119. The reversal of 520566117 is 711665025.

It is not a de Polignac number, because 520566117 - 2² = 520566113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520566113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283392 + ... + 285222.

It is an arithmetic number, because the mean of its divisors is an integer number (43896552).

Almost surely, 2^520566117 is an apocalyptic number.

It is an amenable number.

520566117 is a deficient number, since it is larger than the sum of its proper divisors (181778715).

520566117 is a wasteful number, since it uses less digits than its factorization.

520566117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 520566117 is about 22815.9180617393. The cubic root of 520566117 is about 804.4368665486.

The spelling of 520566117 in words is "five hundred twenty million, five hundred sixty-six thousand, one hundred seventeen".