520703992 has 16 divisors (see below), whose sum is σ = 1018769040. Its totient is φ = 249032256.

The previous prime is 520703971. The next prime is 520704001. The reversal of 520703992 is 299307025.

It is a super-2 number, since 2×520703992² = 542265294569472128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414773 + ... + 1415140.

It is an arithmetic number, because the mean of its divisors is an integer number (63673065).

Almost surely, 2^520703992 is an apocalyptic number.

It is an amenable number.

520703992 is a deficient number, since it is larger than the sum of its proper divisors (498065048).

520703992 is a wasteful number, since it uses less digits than its factorization.

520703992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829942 (or 2829938 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 520703992 is about 22818.9393267961. The cubic root of 520703992 is about 804.5078802258.

The spelling of 520703992 in words is "five hundred twenty million, seven hundred three thousand, nine hundred ninety-two".