825902997 has 16 divisors (see below), whose sum is σ = 1109116800. Its totient is φ = 546658112.

The previous prime is 825902969. The next prime is 825903019. The reversal of 825902997 is 799209528.

825902997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 825902997 - 2¹² = 825898901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825902797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352843 + ... + 355175.

It is an arithmetic number, because the mean of its divisors is an integer number (69319800).

Almost surely, 2^825902997 is an apocalyptic number.

It is an amenable number.

825902997 is a deficient number, since it is larger than the sum of its proper divisors (283213803).

825902997 is a wasteful number, since it uses less digits than its factorization.

825902997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 825902997 is about 28738.5280938325. The cubic root of 825902997 is about 938.2307890580.

The spelling of 825902997 in words is "eight hundred twenty-five million, nine hundred two thousand, nine hundred ninety-seven".