523525225 has 6 divisors (see below), whose sum is σ = 649171310. Its totient is φ = 418820160.

The previous prime is 523525201. The next prime is 523525229. The reversal of 523525225 is 522525325.

It can be written as a sum of positive squares in 3 ways, for example, as 20106256 + 503418969 = 4484^2 + 22437^2 .

It is not a de Polignac number, because 523525225 - 2¹⁵ = 523492457 is a prime.

It is a super-2 number, since 2×523525225² = 548157322422601250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523525229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10470480 + ... + 10470529.

Almost surely, 2^523525225 is an apocalyptic number.

It is an amenable number.

523525225 is a deficient number, since it is larger than the sum of its proper divisors (125646085).

523525225 is a wasteful number, since it uses less digits than its factorization.

523525225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20941019 (or 20941014 counting only the distinct ones).

The product of its digits is 30000, while the sum is 31.

The square root of 523525225 is about 22880.6736133358. The cubic root of 523525225 is about 805.9582354746.

The spelling of 523525225 in words is "five hundred twenty-three million, five hundred twenty-five thousand, two hundred twenty-five".