520825120 has 24 divisors (see below), whose sum is σ = 1230449724. Its totient is φ = 208329984.

The previous prime is 520825069. The next prime is 520825121. The reversal of 520825120 is 21528025.

It can be written as a sum of positive squares in 2 ways, for example, as 469502224 + 51322896 = 21668^2 + 7164^2 .

It is not an unprimeable number, because it can be changed into a prime (520825121) 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, 1627419 + ... + 1627738.

Almost surely, 2^520825120 is an apocalyptic number.

It is an amenable number.

520825120 is an abundant number, since it is smaller than the sum of its proper divisors (709624604).

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

520825120 is a wasteful number, since it uses less digits than its factorization.

520825120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255172 (or 3255164 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 520825120 is about 22821.5932835549. The cubic root of 520825120 is about 804.5702578765.

The spelling of 520825120 in words is "five hundred twenty million, eight hundred twenty-five thousand, one hundred twenty".