791142571 has 2 divisors, whose sum is σ = 791142572. Its totient is φ = 791142570.

The previous prime is 791142557. The next prime is 791142581. The reversal of 791142571 is 175241197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 791142571 - 2⁹ = 791142059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 791142571.

It is not a weakly prime, because it can be changed into another prime (791142581) 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, 395571285 + 395571286.

It is an arithmetic number, because the mean of its divisors is an integer number (395571286).

Almost surely, 2^791142571 is an apocalyptic number.

791142571 is a deficient number, since it is larger than the sum of its proper divisors (1).

791142571 is an equidigital number, since it uses as much as digits as its factorization.

791142571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 37.

The square root of 791142571 is about 28127.2567272388. The cubic root of 791142571 is about 924.8789989276.

The spelling of 791142571 in words is "seven hundred ninety-one million, one hundred forty-two thousand, five hundred seventy-one".