797311 has 2 divisors, whose sum is σ = 797312. Its totient is φ = 797310.

The previous prime is 797309. The next prime is 797333. The reversal of 797311 is 113797.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (113797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797311 - 2¹ = 797309 is a prime.

Together with 797309, it forms a pair of twin primes.

797311 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 797311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398655 + 398656.

It is an arithmetic number, because the mean of its divisors is an integer number (398656).

2⁷⁹⁷³¹¹ is an apocalyptic number.

797311 is a deficient number, since it is larger than the sum of its proper divisors (1).

797311 is an equidigital number, since it uses as much as digits as its factorization.

797311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323, while the sum is 28.

The square root of 797311 is about 892.9227290197. The cubic root of 797311 is about 92.7276496495.

The spelling of 797311 in words is "seven hundred ninety-seven thousand, three hundred eleven".