791081 has 2 divisors, whose sum is σ = 791082. Its totient is φ = 791080.

The previous prime is 791053. The next prime is 791093. The reversal of 791081 is 180197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477481 + 313600 = 691^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 791081 - 2⁶ = 791017 is a prime.

It is a super-2 number, since 2×791081² = 1251618297122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 791081.

It is not a weakly prime, because it can be changed into another prime (91081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395540 + 395541.

It is an arithmetic number, because the mean of its divisors is an integer number (395541).

2⁷⁹¹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

791081 is a deficient number, since it is larger than the sum of its proper divisors (1).

791081 is an equidigital number, since it uses as much as digits as its factorization.

791081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 791081 is about 889.4273438567. The cubic root of 791081 is about 92.4855005274.

The spelling of 791081 in words is "seven hundred ninety-one thousand, eighty-one".