520528004 has 12 divisors (see below), whose sum is σ = 911500044. Its totient is φ = 260099424.

The previous prime is 520527983. The next prime is 520528013. The reversal of 520528004 is 400825025.

It can be written as a sum of positive squares in 2 ways, for example, as 184905604 + 335622400 = 13598^2 + 18320^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33887 + ... + 46790.

It is an arithmetic number, because the mean of its divisors is an integer number (75958337).

Almost surely, 2^520528004 is an apocalyptic number.

It is an amenable number.

520528004 is a deficient number, since it is larger than the sum of its proper divisors (390972040).

520528004 is a wasteful number, since it uses less digits than its factorization.

520528004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82294 (or 82292 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 520528004 is about 22815.0828181710. The cubic root of 520528004 is about 804.4172339156.

The spelling of 520528004 in words is "five hundred twenty million, five hundred twenty-eight thousand, four".