525943225 has 6 divisors (see below), whose sum is σ = 652169630. Its totient is φ = 420754560.

The previous prime is 525943213. The next prime is 525943247. The reversal of 525943225 is 522349525.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20736 + 525922489 = 144^2 + 22933^2 .

It is not a de Polignac number, because 525943225 - 2⁵ = 525943193 is a prime.

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, 10518840 + ... + 10518889.

Almost surely, 2^525943225 is an apocalyptic number.

It is an amenable number.

525943225 is a deficient number, since it is larger than the sum of its proper divisors (126226405).

525943225 is a wasteful number, since it uses less digits than its factorization.

525943225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037739 (or 21037734 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 525943225 is about 22933.4520951382. The cubic root of 525943225 is about 807.1971534131.

It can be divided in two parts, 5259 and 43225, that added together give a palindrome (48484).

The spelling of 525943225 in words is "five hundred twenty-five million, nine hundred forty-three thousand, two hundred twenty-five".