797042243 has 2 divisors, whose sum is σ = 797042244. Its totient is φ = 797042242.

The previous prime is 797042203. The next prime is 797042291. The reversal of 797042243 is 342240797.

797042243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797042243 - 2⁶ = 797042179 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 797042197 and 797042206.

It is not a weakly prime, because it can be changed into another prime (797042203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398521121 + 398521122.

It is an arithmetic number, because the mean of its divisors is an integer number (398521122).

Almost surely, 2^797042243 is an apocalyptic number.

797042243 is a deficient number, since it is larger than the sum of its proper divisors (1).

797042243 is an equidigital number, since it uses as much as digits as its factorization.

797042243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 797042243 is about 28231.9365789880. The cubic root of 797042243 is about 927.1722962289.

The spelling of 797042243 in words is "seven hundred ninety-seven million, forty-two thousand, two hundred forty-three".