520705060 has 24 divisors (see below), whose sum is σ = 1118912256. Its totient is φ = 203437920.

The previous prime is 520705049. The next prime is 520705061. The reversal of 520705060 is 60507025.

It is a happy number.

It is a super-2 number, since 2×520705060² = 542267519019207200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520705061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301876 + ... + 303595.

It is an arithmetic number, because the mean of its divisors is an integer number (46621344).

Almost surely, 2^520705060 is an apocalyptic number.

It is an amenable number.

520705060 is an abundant number, since it is smaller than the sum of its proper divisors (598207196).

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

520705060 is a wasteful number, since it uses less digits than its factorization.

520705060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605523 (or 605521 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 520705060 is about 22818.9627283976. The cubic root of 520705060 is about 804.5084302592.

The spelling of 520705060 in words is "five hundred twenty million, seven hundred five thousand, sixty".