8109061 has 2 divisors, whose sum is σ = 8109062. Its totient is φ = 8109060.

The previous prime is 8109007. The next prime is 8109071. The reversal of 8109061 is 1609018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 352836 = 2785^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 8109061 - 2¹⁷ = 7977989 is a prime.

8109061 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8109001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4054530 + 4054531.

It is an arithmetic number, because the mean of its divisors is an integer number (4054531).

Almost surely, 2^8109061 is an apocalyptic number.

It is an amenable number.

8109061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8109061 is an equidigital number, since it uses as much as digits as its factorization.

8109061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 8109061 is about 2847.6413046590. The cubic root of 8109061 is about 200.9047426984.

The spelling of 8109061 in words is "eight million, one hundred nine thousand, sixty-one".