8005081 has 12 divisors (see below), whose sum is σ = 9718272. Its totient is φ = 6562248.

The previous prime is 8005051. The next prime is 8005097. The reversal of 8005081 is 1805008.

It is not a de Polignac number, because 8005081 - 2¹¹ = 8003033 is a prime.

It is a super-2 number, since 2×8005081² = 128162643633122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8005051) by changing a digit.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2425 + ... + 4678.

It is an arithmetic number, because the mean of its divisors is an integer number (809856).

Almost surely, 2^8005081 is an apocalyptic number.

It is an amenable number.

8005081 is a deficient number, since it is larger than the sum of its proper divisors (1713191).

8005081 is a wasteful number, since it uses less digits than its factorization.

8005081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140 (or 7133 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 8005081 is about 2829.3251845626. The cubic root of 8005081 is about 200.0423327057.

The spelling of 8005081 in words is "eight million, five thousand, eighty-one".