522725 has 24 divisors (see below), whose sum is σ = 773760. Its totient is φ = 342720.

The previous prime is 522719. The next prime is 522737. The reversal of 522725 is 527225.

It is not a de Polignac number, because 522725 - 2⁶ = 522661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5024 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (32240).

2⁵²²⁷²⁵ is an apocalyptic number.

It is an amenable number.

522725 is a deficient number, since it is larger than the sum of its proper divisors (251035).

522725 is a wasteful number, since it uses less digits than its factorization.

522725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its digits is 1400, while the sum is 23.

The square root of 522725 is about 722.9972337430. The cubic root of 522725 is about 80.5547381782.

The spelling of 522725 in words is "five hundred twenty-two thousand, seven hundred twenty-five".