522163925 has 24 divisors (see below), whose sum is σ = 690580800. Its totient is φ = 390286080.

The previous prime is 522163919. The next prime is 522163931. The reversal of 522163925 is 529361225.

It is an interprime number because it is at equal distance from previous prime (522163919) and next prime (522163931).

It is not a de Polignac number, because 522163925 - 2¹⁸ = 521901781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54656 + ... + 63494.

It is an arithmetic number, because the mean of its divisors is an integer number (28774200).

Almost surely, 2^522163925 is an apocalyptic number.

It is an amenable number.

522163925 is a deficient number, since it is larger than the sum of its proper divisors (168416875).

522163925 is a wasteful number, since it uses less digits than its factorization.

522163925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9005 (or 9000 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 522163925 is about 22850.9064371635. The cubic root of 522163925 is about 805.2590630007.

The spelling of 522163925 in words is "five hundred twenty-two million, one hundred sixty-three thousand, nine hundred twenty-five".