797441081 has 2 divisors, whose sum is σ = 797441082. Its totient is φ = 797441080.

The previous prime is 797441059. The next prime is 797441137. The reversal of 797441081 is 180144797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 767290000 + 30151081 = 27700^2 + 5491^2 .

It is a cyclic number.

It is not a de Polignac number, because 797441081 - 2⁶ = 797441017 is a prime.

It is a super-2 number, since 2×797441081² = 1271824555332897122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (797441011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398720540 + 398720541.

It is an arithmetic number, because the mean of its divisors is an integer number (398720541).

Almost surely, 2^797441081 is an apocalyptic number.

It is an amenable number.

797441081 is a deficient number, since it is larger than the sum of its proper divisors (1).

797441081 is an equidigital number, since it uses as much as digits as its factorization.

797441081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 797441081 is about 28238.9992917596. Note that the first 3 decimals coincide. The cubic root of 797441081 is about 927.3269220277.

The spelling of 797441081 in words is "seven hundred ninety-seven million, four hundred forty-one thousand, eighty-one".