520505037 has 24 divisors (see below), whose sum is σ = 810773600. Its totient is φ = 319876128.

The previous prime is 520505023. The next prime is 520505053. The reversal of 520505037 is 730505025.

It is not a de Polignac number, because 520505037 - 2⁷ = 520504909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520505037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520505017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97914 + ... + 103092.

Almost surely, 2^520505037 is an apocalyptic number.

It is an amenable number.

520505037 is a deficient number, since it is larger than the sum of its proper divisors (290268563).

520505037 is a wasteful number, since it uses less digits than its factorization.

520505037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057 (or 6054 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 520505037 is about 22814.5794833041. The cubic root of 520505037 is about 804.4054027735.

The spelling of 520505037 in words is "five hundred twenty million, five hundred five thousand, thirty-seven".