791117 has 2 divisors, whose sum is σ = 791118. Its totient is φ = 791116.

The previous prime is 791111. The next prime is 791137. The reversal of 791117 is 711197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 292681 = 706^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 791117 - 2⁶ = 791053 is a prime.

It is a super-2 number, since 2×791117² = 1251732215378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395558 + 395559.

It is an arithmetic number, because the mean of its divisors is an integer number (395559).

2⁷⁹¹¹¹⁷ is an apocalyptic number.

It is an amenable number.

791117 is a deficient number, since it is larger than the sum of its proper divisors (1).

791117 is an equidigital number, since it uses as much as digits as its factorization.

791117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441, while the sum is 26.

The square root of 791117 is about 889.4475813672. The cubic root of 791117 is about 92.4869034295.

The spelling of 791117 in words is "seven hundred ninety-one thousand, one hundred seventeen".