797042291 has 2 divisors, whose sum is σ = 797042292. Its totient is φ = 797042290.

The previous prime is 797042243. The next prime is 797042317. The reversal of 797042291 is 192240797.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797042291 is a prime.

It is not a weakly prime, because it can be changed into another prime (797042201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398521145 + 398521146.

It is an arithmetic number, because the mean of its divisors is an integer number (398521146).

Almost surely, 2^797042291 is an apocalyptic number.

797042291 is a deficient number, since it is larger than the sum of its proper divisors (1).

797042291 is an equidigital number, since it uses as much as digits as its factorization.

797042291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 797042291 is about 28231.9374290891. The cubic root of 797042291 is about 927.1723148411.

The spelling of 797042291 in words is "seven hundred ninety-seven million, forty-two thousand, two hundred ninety-one".