9109025 has 12 divisors (see below), whose sum is σ = 11960172. Its totient is φ = 6858240.

The previous prime is 9109019. The next prime is 9109027. The reversal of 9109025 is 5209019.

It is a happy number.

9109025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 541696 + 8567329 = 736^2 + 2927^2 .

It is not a de Polignac number, because 9109025 - 2⁸ = 9108769 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9108985 and 9109003.

It is not an unprimeable number, because it can be changed into a prime (9109027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10292 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (996681).

Almost surely, 2^9109025 is an apocalyptic number.

It is an amenable number.

9109025 is a deficient number, since it is larger than the sum of its proper divisors (2851147).

9109025 is a wasteful number, since it uses less digits than its factorization.

9109025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460 (or 21455 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 9109025 is about 3018.1161342798. The cubic root of 9109025 is about 208.8449434847.

The spelling of 9109025 in words is "nine million, one hundred nine thousand, twenty-five".