522331925 has 6 divisors (see below), whose sum is σ = 647691618. Its totient is φ = 417865520.

The previous prime is 522331913. The next prime is 522331937. The reversal of 522331925 is 529133225.

It is an interprime number because it is at equal distance from previous prime (522331913) and next prime (522331937).

It can be written as a sum of positive squares in 3 ways, for example, as 2172676 + 520159249 = 1474^2 + 22807^2 .

It is not a de Polignac number, because 522331925 - 2⁶ = 522331861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522331891 and 522331900.

It is a congruent number.

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, 10446614 + ... + 10446663.

It is an arithmetic number, because the mean of its divisors is an integer number (107948603).

Almost surely, 2^522331925 is an apocalyptic number.

It is an amenable number.

522331925 is a deficient number, since it is larger than the sum of its proper divisors (125359693).

522331925 is a wasteful number, since it uses less digits than its factorization.

522331925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20893287 (or 20893282 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 522331925 is about 22854.5821445066. The cubic root of 522331925 is about 805.3454145659.

The spelling of 522331925 in words is "five hundred twenty-two million, three hundred thirty-one thousand, nine hundred twenty-five".