9009925 has 12 divisors (see below), whose sum is σ = 11284000. Its totient is φ = 7135920.

The previous prime is 9009901. The next prime is 9009929. The reversal of 9009925 is 5299009.

It is not a de Polignac number, because 9009925 - 2⁵ = 9009893 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9009929) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 826 + ... + 4324.

Almost surely, 2^9009925 is an apocalyptic number.

It is an amenable number.

9009925 is a deficient number, since it is larger than the sum of its proper divisors (2274075).

9009925 is a wasteful number, since it uses less digits than its factorization.

9009925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612 (or 3607 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 9009925 is about 3001.6537108734. The cubic root of 9009925 is about 208.0848165559.

The spelling of 9009925 in words is "nine million, nine thousand, nine hundred twenty-five".