522520828 has 12 divisors (see below), whose sum is σ = 914898040. Its totient is φ = 261121392.

The previous prime is 522520807. The next prime is 522520829. The reversal of 522520828 is 828025225.

It is a junction number, because it is equal to n+sod(n) for n = 522520793 and 522520802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522520829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26058 + ... + 41521.

Almost surely, 2^522520828 is an apocalyptic number.

It is an amenable number.

522520828 is a deficient number, since it is larger than the sum of its proper divisors (392377212).

522520828 is a wasteful number, since it uses less digits than its factorization.

522520828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69516 (or 69514 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 522520828 is about 22858.7144870397. The cubic root of 522520828 is about 805.4424881070.

The spelling of 522520828 in words is "five hundred twenty-two million, five hundred twenty thousand, eight hundred twenty-eight".