520531104 has 48 divisors (see below), whose sum is σ = 1385657280. Its totient is φ = 171064320.

The previous prime is 520531093. The next prime is 520531111. The reversal of 520531104 is 401135025.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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, 31369 + ... + 45000.

It is an arithmetic number, because the mean of its divisors is an integer number (28867860).

Almost surely, 2^520531104 is an apocalyptic number.

It is an amenable number.

520531104 is an abundant number, since it is smaller than the sum of its proper divisors (865126176).

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

520531104 is a wasteful number, since it uses less digits than its factorization.

520531104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76453 (or 76445 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 520531104 is about 22815.1507555834. The cubic root of 520531104 is about 804.4188308124.

Adding to 520531104 its reverse (401135025), we get a palindrome (921666129).

The spelling of 520531104 in words is "five hundred twenty million, five hundred thirty-one thousand, one hundred four".