523225 has 6 divisors (see below), whose sum is σ = 648830. Its totient is φ = 418560.

The previous prime is 523219. The next prime is 523261. The reversal of 523225 is 522325.

It can be written as a sum of positive squares in 3 ways, for example, as 38809 + 484416 = 197^2 + 696^2 .

It is not a de Polignac number, because 523225 - 2⁷ = 523097 is a prime.

It is a d-powerful number, because it can be written as 5 + 2⁸ + 2¹⁰ + 3⁵ + 2¹⁷ + 5⁸ .

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10440 + ... + 10489.

2⁵²³²²⁵ is an apocalyptic number.

It is an amenable number.

523225 is a deficient number, since it is larger than the sum of its proper divisors (125605).

523225 is a wasteful number, since it uses less digits than its factorization.

523225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20939 (or 20934 counting only the distinct ones).

The product of its digits is 600, while the sum is 19.

The square root of 523225 is about 723.3429338841. The cubic root of 523225 is about 80.5804142244.

Subtracting from 523225 its reverse (522325), we obtain a square (900 = 30²).

The spelling of 523225 in words is "five hundred twenty-three thousand, two hundred twenty-five".