520423160 has 32 divisors (see below), whose sum is σ = 1171689840. Its totient is φ = 208038144.

The previous prime is 520423157. The next prime is 520423171. The reversal of 520423160 is 61324025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83099 + ... + 89141.

Almost surely, 2^520423160 is an apocalyptic number.

It is an amenable number.

520423160 is an abundant number, since it is smaller than the sum of its proper divisors (651266680).

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

520423160 is a wasteful number, since it uses less digits than its factorization.

520423160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207 (or 8203 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 520423160 is about 22812.7850119182. The cubic root of 520423160 is about 804.3632221027.

Adding to 520423160 its reverse (61324025), we get a palindrome (581747185).

The spelling of 520423160 in words is "five hundred twenty million, four hundred twenty-three thousand, one hundred sixty".