520957996 has 48 divisors (see below), whose sum is σ = 1042524000. Its totient is φ = 225653760.

The previous prime is 520957991. The next prime is 520958021. The reversal of 520957996 is 699759025.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (520957991) 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, 440526 + ... + 441706.

It is an arithmetic number, because the mean of its divisors is an integer number (21719250).

Almost surely, 2^520957996 is an apocalyptic number.

It is an amenable number.

520957996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

520957996 is a wasteful number, since it uses less digits than its factorization.

520957996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 52.

The square root of 520957996 is about 22824.5042881549. The cubic root of 520957996 is about 804.6386743072.

The spelling of 520957996 in words is "five hundred twenty million, nine hundred fifty-seven thousand, nine hundred ninety-six".