825756945 has 16 divisors (see below), whose sum is σ = 1422843072. Its totient is φ = 406526400.

The previous prime is 825756931. The next prime is 825756961. The reversal of 825756945 is 549657528.

It is not a de Polignac number, because 825756945 - 2⁸ = 825756689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117131 + ... + 2117520.

It is an arithmetic number, because the mean of its divisors is an integer number (88927692).

Almost surely, 2^825756945 is an apocalyptic number.

It is an amenable number.

825756945 is a deficient number, since it is larger than the sum of its proper divisors (597086127).

825756945 is a wasteful number, since it uses less digits than its factorization.

825756945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234672.

The product of its digits is 3024000, while the sum is 51.

The square root of 825756945 is about 28735.9869327643. The cubic root of 825756945 is about 938.1754804799.

The spelling of 825756945 in words is "eight hundred twenty-five million, seven hundred fifty-six thousand, nine hundred forty-five".