520970502 has 32 divisors (see below), whose sum is σ = 1123250688. Its totient is φ = 160132896.

The previous prime is 520970441. The next prime is 520970503. The reversal of 520970502 is 205079025.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 520970502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520970503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87843 + ... + 93585.

It is an arithmetic number, because the mean of its divisors is an integer number (35101584).

Almost surely, 2^520970502 is an apocalyptic number.

520970502 is an abundant number, since it is smaller than the sum of its proper divisors (602280186).

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

520970502 is a wasteful number, since it uses less digits than its factorization.

520970502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 520970502 is about 22824.7782464584. The cubic root of 520970502 is about 804.6451129138.

The spelling of 520970502 in words is "five hundred twenty million, nine hundred seventy thousand, five hundred two".