522323425 has 12 divisors (see below), whose sum is σ = 697503100. Its totient is φ = 385715520.

The previous prime is 522323411. The next prime is 522323443. The reversal of 522323425 is 524323225.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 18455616 + 503867809 = 4296^2 + 22447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-522323425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522323393 and 522323402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803250 + ... + 803899.

Almost surely, 2^522323425 is an apocalyptic number.

It is an amenable number.

522323425 is a deficient number, since it is larger than the sum of its proper divisors (175179675).

522323425 is a wasteful number, since it uses less digits than its factorization.

522323425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607172 (or 1607167 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 522323425 is about 22854.3961854169. The cubic root of 522323425 is about 805.3410460326.

The spelling of 522323425 in words is "five hundred twenty-two million, three hundred twenty-three thousand, four hundred twenty-five".