520003304 has 16 divisors (see below), whose sum is σ = 977468100. Its totient is φ = 259345152.

The previous prime is 520003303. The next prime is 520003307. The reversal of 520003304 is 403300025.

It can be written as a sum of positive squares in 2 ways, for example, as 515380804 + 4622500 = 22702^2 + 2150^2 .

It is not an unprimeable number, because it can be changed into a prime (520003303) 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, 78689 + ... + 85040.

Almost surely, 2^520003304 is an apocalyptic number.

It is an amenable number.

520003304 is a deficient number, since it is larger than the sum of its proper divisors (457464796).

520003304 is a wasteful number, since it uses less digits than its factorization.

520003304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164132 (or 164128 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 520003304 is about 22803.5809468601. The cubic root of 520003304 is about 804.1468548524.

Adding to 520003304 its reverse (403300025), we get a palindrome (923303329).

The spelling of 520003304 in words is "five hundred twenty million, three thousand, three hundred four".