522825 has 12 divisors (see below), whose sum is σ = 864528. Its totient is φ = 278800.

The previous prime is 522811. The next prime is 522827. The reversal of 522825 is 528225.

522825 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 522825 - 2⁶ = 522761 is a prime.

It is an Ulam number.

522825 is strictly pandigital in base 7.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 522795 and 522804.

It is not an unprimeable number, because it can be changed into a prime (522827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3411 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (72044).

2⁵²²⁸²⁵ is an apocalyptic number.

It is an amenable number.

522825 is a deficient number, since it is larger than the sum of its proper divisors (341703).

522825 is a wasteful number, since it uses less digits than its factorization.

522825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984 (or 6979 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 522825 is about 723.0663869936. The cubic root of 522825 is about 80.5598746969.

Adding to 522825 its product of digits (1600), we get a palindrome (524425).

It can be divided in two parts, 5228 and 25, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 522825 in words is "five hundred twenty-two thousand, eight hundred twenty-five".