520825074 has 64 divisors (see below), whose sum is σ = 1367055360. Its totient is φ = 128157120.

The previous prime is 520825069. The next prime is 520825121. The reversal of 520825074 is 470528025.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a cake number, because a cake can be divided into 520825074 parts by 1462 planar cuts.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20889 + ... + 38444.

It is an arithmetic number, because the mean of its divisors is an integer number (21360240).

Almost surely, 2^520825074 is an apocalyptic number.

520825074 is an abundant number, since it is smaller than the sum of its proper divisors (846230286).

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

520825074 is a wasteful number, since it uses less digits than its factorization.

520825074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59375.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 520825074 is about 22821.5922757375. The cubic root of 520825074 is about 804.5702341896.

The spelling of 520825074 in words is "five hundred twenty million, eight hundred twenty-five thousand, seventy-four".