522807425 has 24 divisors (see below), whose sum is σ = 741952512. Its totient is φ = 357984000.

The previous prime is 522807421. The next prime is 522807431. The reversal of 522807425 is 524708225.

It is not a de Polignac number, because 522807425 - 2² = 522807421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (522807421) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 152480 + ... + 155870.

It is an arithmetic number, because the mean of its divisors is an integer number (30914688).

Almost surely, 2^522807425 is an apocalyptic number.

It is an amenable number.

522807425 is a deficient number, since it is larger than the sum of its proper divisors (219145087).

522807425 is a wasteful number, since it uses less digits than its factorization.

522807425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289 (or 4284 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 522807425 is about 22864.9825060069. The cubic root of 522807425 is about 805.5897200114.

The spelling of 522807425 in words is "five hundred twenty-two million, eight hundred seven thousand, four hundred twenty-five".