9209725 has 12 divisors (see below), whose sum is σ = 13051744. Its totient is φ = 6315120.

The previous prime is 9209701. The next prime is 9209731. The reversal of 9209725 is 5279029.

It is not a de Polignac number, because 9209725 - 2¹¹ = 9207677 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 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26139 + ... + 26488.

Almost surely, 2^9209725 is an apocalyptic number.

It is an amenable number.

9209725 is a deficient number, since it is larger than the sum of its proper divisors (3842019).

9209725 is a wasteful number, since it uses less digits than its factorization.

9209725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52644 (or 52639 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 9209725 is about 3034.7528729701. The cubic root of 9209725 is about 209.6117163803.

The spelling of 9209725 in words is "nine million, two hundred nine thousand, seven hundred twenty-five".