520530244 has 24 divisors (see below), whose sum is σ = 981655808. Its totient is φ = 240084000.

The previous prime is 520530239. The next prime is 520530247. The reversal of 520530244 is 442035025.

It is not an unprimeable number, because it can be changed into a prime (520530247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114829 + ... + 119275.

Almost surely, 2^520530244 is an apocalyptic number.

It is an amenable number.

520530244 is a deficient number, since it is larger than the sum of its proper divisors (461125564).

520530244 is a wasteful number, since it uses less digits than its factorization.

520530244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6713 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 520530244 is about 22815.1319084506. The cubic root of 520530244 is about 804.4183878030.

Adding to 520530244 its reverse (442035025), we get a palindrome (962565269).

The spelling of 520530244 in words is "five hundred twenty million, five hundred thirty thousand, two hundred forty-four".