7913165 has 16 divisors (see below), whose sum is σ = 10423728. Its totient is φ = 5730816.

The previous prime is 7913159. The next prime is 7913167. The reversal of 7913165 is 5613197.

7913165 is digitally balanced in base 3, 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 8 ways, for example, as 218089 + 7695076 = 467^2 + 2774^2 .

It is not a de Polignac number, because 7913165 - 2⁸ = 7912909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7913167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297 + ... + 4593.

It is an arithmetic number, because the mean of its divisors is an integer number (651483).

Almost surely, 2^7913165 is an apocalyptic number.

7913165 is the 2297-th pentagonal number.

It is an amenable number.

7913165 is a deficient number, since it is larger than the sum of its proper divisors (2510563).

7913165 is a wasteful number, since it uses less digits than its factorization.

7913165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368.

The product of its digits is 5670, while the sum is 32.

The square root of 7913165 is about 2813.0348380352. The cubic root of 7913165 is about 199.2737409310.

Adding to 7913165 its sum of digits (32), we get a palindrome (7913197).

Subtracting from 7913165 its reverse (5613197), we obtain a cube (2299968 = 132³).

The spelling of 7913165 in words is "seven million, nine hundred thirteen thousand, one hundred sixty-five".