9165625 has 24 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 6270000.

The previous prime is 9165623. The next prime is 9165631. The reversal of 9165625 is 5265619.

It is a happy number.

It is not a de Polignac number, because 9165625 - 2¹ = 9165623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9165623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21666 + ... + 22084.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^9165625 is an apocalyptic number.

It is an amenable number.

9165625 is a deficient number, since it is larger than the sum of its proper divisors (3958535).

9165625 is an frugal number, since it uses more digits than its factorization.

9165625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 431 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 9165625 is about 3027.4783236218. The cubic root of 9165625 is about 209.2766115290.

The spelling of 9165625 in words is "nine million, one hundred sixty-five thousand, six hundred twenty-five".