836317081 has 2 divisors, whose sum is σ = 836317082. Its totient is φ = 836317080.

The previous prime is 836317063. The next prime is 836317093. The reversal of 836317081 is 180713638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 824206681 + 12110400 = 28709^2 + 3480^2 .

It is a cyclic number.

It is not a de Polignac number, because 836317081 - 2⁷ = 836316953 is a prime.

It is a super-2 number, since 2×836317081² = 1398852519944721122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 836317081.

It is not a weakly prime, because it can be changed into another prime (836318081) 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, 418158540 + 418158541.

It is an arithmetic number, because the mean of its divisors is an integer number (418158541).

Almost surely, 2^836317081 is an apocalyptic number.

It is an amenable number.

836317081 is a deficient number, since it is larger than the sum of its proper divisors (1).

836317081 is an equidigital number, since it uses as much as digits as its factorization.

836317081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 836317081 is about 28919.1473076230. The cubic root of 836317081 is about 942.1578167138.

The spelling of 836317081 in words is "eight hundred thirty-six million, three hundred seventeen thousand, eighty-one".