9172925 has 6 divisors (see below), whose sum is σ = 11374458. Its totient is φ = 7338320.

The previous prime is 9172913. The next prime is 9172949. The reversal of 9172925 is 5292719.

It can be written as a sum of positive squares in 3 ways, for example, as 58564 + 9114361 = 242^2 + 3019^2 .

It is not a de Polignac number, because 9172925 - 2⁶ = 9172861 is a prime.

It is a Duffinian number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 183434 + ... + 183483.

It is an arithmetic number, because the mean of its divisors is an integer number (1895743).

Almost surely, 2^9172925 is an apocalyptic number.

It is an amenable number.

9172925 is a deficient number, since it is larger than the sum of its proper divisors (2201533).

9172925 is a wasteful number, since it uses less digits than its factorization.

9172925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366927 (or 366922 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 9172925 is about 3028.6837074875. The cubic root of 9172925 is about 209.3321565267.

The spelling of 9172925 in words is "nine million, one hundred seventy-two thousand, nine hundred twenty-five".