791165 has 4 divisors (see below), whose sum is σ = 949404. Its totient is φ = 632928.

The previous prime is 791159. The next prime is 791191. The reversal of 791165 is 561197.

It is a happy number.

791165 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 326041 = 682^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 791165 - 2¹² = 787069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79112 + ... + 79121.

It is an arithmetic number, because the mean of its divisors is an integer number (237351).

2⁷⁹¹¹⁶⁵ is an apocalyptic number.

It is an amenable number.

791165 is a deficient number, since it is larger than the sum of its proper divisors (158239).

791165 is a wasteful number, since it uses less digits than its factorization.

791165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158238.

The product of its digits is 1890, while the sum is 29.

The square root of 791165 is about 889.4745639983. The cubic root of 791165 is about 92.4887738994.

The spelling of 791165 in words is "seven hundred ninety-one thousand, one hundred sixty-five".