522004520 has 32 divisors (see below), whose sum is σ = 1201828320. Its totient is φ = 203945280.

The previous prime is 522004507. The next prime is 522004541. The reversal of 522004520 is 25400225.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 522004492 and 522004501.

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, 150026 + ... + 153465.

It is an arithmetic number, because the mean of its divisors is an integer number (37557135).

Almost surely, 2^522004520 is an apocalyptic number.

It is an amenable number.

522004520 is an abundant number, since it is smaller than the sum of its proper divisors (679823800).

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

522004520 is a wasteful number, since it uses less digits than its factorization.

522004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303545 (or 303541 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 522004520 is about 22847.4182348903. The cubic root of 522004520 is about 805.1771121171.

Adding to 522004520 its reverse (25400225), we get a palindrome (547404745).

The spelling of 522004520 in words is "five hundred twenty-two million, four thousand, five hundred twenty".