525322225 has 6 divisors (see below), whose sum is σ = 651399590. Its totient is φ = 420257760.

The previous prime is 525322207. The next prime is 525322319. The reversal of 525322225 is 522223525.

It can be written as a sum of positive squares in 3 ways, for example, as 1461681 + 523860544 = 1209^2 + 22888^2 .

It is not a de Polignac number, because 525322225 - 2⁷ = 525322097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525322193 and 525322202.

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, 10506420 + ... + 10506469.

Almost surely, 2^525322225 is an apocalyptic number.

It is an amenable number.

525322225 is a deficient number, since it is larger than the sum of its proper divisors (126077365).

525322225 is a wasteful number, since it uses less digits than its factorization.

525322225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012899 (or 21012894 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 525322225 is about 22919.9089221576. The cubic root of 525322225 is about 806.8793327645.

The spelling of 525322225 in words is "five hundred twenty-five million, three hundred twenty-two thousand, two hundred twenty-five".