522525 has 12 divisors (see below), whose sum is σ = 864032. Its totient is φ = 278640.

The previous prime is 522523. The next prime is 522541. The reversal of 522525 is 525225.

It is not a de Polignac number, because 522525 - 2¹ = 522523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522521) 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 11 ways as a sum of consecutive naturals, for example, 3409 + ... + 3558.

2⁵²²⁵²⁵ is an apocalyptic number.

It is an amenable number.

522525 is a deficient number, since it is larger than the sum of its proper divisors (341507).

522525 is a wasteful number, since it uses less digits than its factorization.

522525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980 (or 6975 counting only the distinct ones).

The product of its digits is 1000, while the sum is 21.

The square root of 522525 is about 722.8589073948. The cubic root of 522525 is about 80.5444631752.

The spelling of 522525 in words is "five hundred twenty-two thousand, five hundred twenty-five".