9716825 has 6 divisors (see below), whose sum is σ = 12048894. Its totient is φ = 7773440.

The previous prime is 9716821. The next prime is 9716851. The reversal of 9716825 is 5286179.

It can be written as a sum of positive squares in 3 ways, for example, as 456976 + 9259849 = 676^2 + 3043^2 .

It is not a de Polignac number, because 9716825 - 2² = 9716821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9716821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194312 + ... + 194361.

It is an arithmetic number, because the mean of its divisors is an integer number (2008149).

Almost surely, 2^9716825 is an apocalyptic number.

It is an amenable number.

9716825 is a deficient number, since it is larger than the sum of its proper divisors (2332069).

9716825 is a wasteful number, since it uses less digits than its factorization.

9716825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388683 (or 388678 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 9716825 is about 3117.1822211735. The cubic root of 9716825 is about 213.3903588330.

The spelling of 9716825 in words is "nine million, seven hundred sixteen thousand, eight hundred twenty-five".