797591 has 2 divisors, whose sum is σ = 797592. Its totient is φ = 797590.

The previous prime is 797581. The next prime is 797593. The reversal of 797591 is 195797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 797591 - 2¹⁰ = 796567 is a prime.

Together with 797593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398795 + 398796.

It is an arithmetic number, because the mean of its divisors is an integer number (398796).

2⁷⁹⁷⁵⁹¹ is an apocalyptic number.

797591 is a deficient number, since it is larger than the sum of its proper divisors (1).

797591 is an equidigital number, since it uses as much as digits as its factorization.

797591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19845, while the sum is 38.

The square root of 797591 is about 893.0795037397. The cubic root of 797591 is about 92.7385030903.

The spelling of 797591 in words is "seven hundred ninety-seven thousand, five hundred ninety-one".