520245552 has 20 divisors (see below), whose sum is σ = 1343967800. Its totient is φ = 173415168.

The previous prime is 520245547. The next prime is 520245571. The reversal of 520245552 is 255542025.

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, 5419177 + ... + 5419272.

It is an arithmetic number, because the mean of its divisors is an integer number (67198390).

Almost surely, 2^520245552 is an apocalyptic number.

It is an amenable number.

520245552 is an abundant number, since it is smaller than the sum of its proper divisors (823722248).

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

520245552 is a wasteful number, since it uses less digits than its factorization.

520245552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10838460 (or 10838454 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 520245552 is about 22808.8919502899. The cubic root of 520245552 is about 804.2717083699.

Adding to 520245552 its reverse (255542025), we get a palindrome (775787577).

The spelling of 520245552 in words is "five hundred twenty million, two hundred forty-five thousand, five hundred fifty-two".