520461328 has 20 divisors (see below), whose sum is σ = 1008852220. Its totient is φ = 260112384.

The previous prime is 520461323. The next prime is 520461349. The reversal of 520461328 is 823164025.

It can be written as a sum of positive squares in 2 ways, for example, as 16548624 + 503912704 = 4068^2 + 22448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 520461328.

It is not an unprimeable number, because it can be changed into a prime (520461323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36976 + ... + 49072.

It is an arithmetic number, because the mean of its divisors is an integer number (50442611).

Almost surely, 2^520461328 is an apocalyptic number.

It is an amenable number.

520461328 is a deficient number, since it is larger than the sum of its proper divisors (488390892).

520461328 is a wasteful number, since it uses less digits than its factorization.

520461328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14794 (or 14788 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 520461328 is about 22813.6215450331. The cubic root of 520461328 is about 804.3828857068.

The spelling of 520461328 in words is "five hundred twenty million, four hundred sixty-one thousand, three hundred twenty-eight".