9164509 has 4 divisors (see below), whose sum is σ = 9174816. Its totient is φ = 9154204.

The previous prime is 9164503. The next prime is 9164521. The reversal of 9164509 is 9054619.

9164509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9164509 - 2³ = 9164501 is a prime.

It is a super-2 number, since 2×9164509² = 167976450422162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9164501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3679 + ... + 5644.

It is an arithmetic number, because the mean of its divisors is an integer number (2293704).

Almost surely, 2^9164509 is an apocalyptic number.

It is an amenable number.

9164509 is a deficient number, since it is larger than the sum of its proper divisors (10307).

9164509 is an equidigital number, since it uses as much as digits as its factorization.

9164509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 9164509 is about 3027.2940062042. The cubic root of 9164509 is about 209.2681173937.

The spelling of 9164509 in words is "nine million, one hundred sixty-four thousand, five hundred nine".