520343204 has 18 divisors (see below), whose sum is σ = 930403110. Its totient is φ = 254631712.

The previous prime is 520343183. The next prime is 520343207. The reversal of 520343204 is 402343025.

It can be written as a sum of positive squares in only one way, i.e., 382280704 + 138062500 = 19552^2 + 11750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 520343204.

It is not an unprimeable number, because it can be changed into a prime (520343207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20609 + ... + 38280.

Almost surely, 2^520343204 is an apocalyptic number.

It is an amenable number.

520343204 is a deficient number, since it is larger than the sum of its proper divisors (410059906).

520343204 is a wasteful number, since it uses less digits than its factorization.

520343204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58987 (or 58938 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 520343204 is about 22811.0325062238. The cubic root of 520343204 is about 804.3220268058.

Adding to 520343204 its reverse (402343025), we get a palindrome (922686229).

The spelling of 520343204 in words is "five hundred twenty million, three hundred forty-three thousand, two hundred four".