2008081 has 2 divisors, whose sum is σ = 2008082. Its totient is φ = 2008080.

The previous prime is 2008079. The next prime is 2008103. The reversal of 2008081 is 1808002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 3025 = 1416^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008081 - 2¹ = 2008079 is a prime.

It is a super-2 number, since 2×2008081² = 8064778605122, which contains 22 as substring.

Together with 2008079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2008051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004040 + 1004041.

It is an arithmetic number, because the mean of its divisors is an integer number (1004041).

2^2008081 is an apocalyptic number.

It is an amenable number.

2008081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008081 is an equidigital number, since it uses as much as digits as its factorization.

2008081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 2008081 is about 1417.0677471455. The cubic root of 2008081 is about 126.1615673232.

It can be divided in two parts, 200 and 8081, that added together give a square (8281 = 91²).

The spelling of 2008081 in words is "two million, eight thousand, eighty-one".