520251292 has 12 divisors (see below), whose sum is σ = 993207096. Its totient is φ = 236477840.

The previous prime is 520251253. The next prime is 520251301. The reversal of 520251292 is 292152025.

It is a super-2 number, since 2×520251292² = 541322813655338528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520251292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5911903 + ... + 5911990.

It is an arithmetic number, because the mean of its divisors is an integer number (82767258).

Almost surely, 2^520251292 is an apocalyptic number.

It is an amenable number.

520251292 is a deficient number, since it is larger than the sum of its proper divisors (472955804).

520251292 is a wasteful number, since it uses less digits than its factorization.

520251292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11823908 (or 11823906 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 520251292 is about 22809.0177780631. The cubic root of 520251292 is about 804.2746662697.

The spelling of 520251292 in words is "five hundred twenty million, two hundred fifty-one thousand, two hundred ninety-two".