825942522 has 16 divisors (see below), whose sum is σ = 1657166400. Its totient is φ = 274433952.

The previous prime is 825942463. The next prime is 825942547. The reversal of 825942522 is 225249528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218022 + ... + 221777.

It is an arithmetic number, because the mean of its divisors is an integer number (103572900).

Almost surely, 2^825942522 is an apocalyptic number.

825942522 is an abundant number, since it is smaller than the sum of its proper divisors (831223878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825942522 is a wasteful number, since it uses less digits than its factorization.

825942522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440117.

The product of its digits is 115200, while the sum is 39.

The square root of 825942522 is about 28739.2157513040. The cubic root of 825942522 is about 938.2457556988.

The spelling of 825942522 in words is "eight hundred twenty-five million, nine hundred forty-two thousand, five hundred twenty-two".