8099081 has 2 divisors, whose sum is σ = 8099082. Its totient is φ = 8099080.

The previous prime is 8099071. The next prime is 8099083. The reversal of 8099081 is 1809908.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 259081 = 2800^2 + 509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8099081 is a prime.

It is a super-2 number, since 2×8099081² = 131190226089122, which contains 22 as substring.

Together with 8099083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8099083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4049540 + 4049541.

It is an arithmetic number, because the mean of its divisors is an integer number (4049541).

Almost surely, 2^8099081 is an apocalyptic number.

It is an amenable number.

8099081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8099081 is an equidigital number, since it uses as much as digits as its factorization.

8099081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 8099081 is about 2845.8884377291. Note that the first 3 decimals coincide. The cubic root of 8099081 is about 200.8222895660.

The spelling of 8099081 in words is "eight million, ninety-nine thousand, eighty-one".