5818081 has 2 divisors, whose sum is σ = 5818082. Its totient is φ = 5818080.

The previous prime is 5818073. The next prime is 5818117. The reversal of 5818081 is 1808185.

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., 5760000 + 58081 = 2400^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 5818081 - 2³ = 5818073 is a prime.

It is a super-2 number, since 2×5818081² = 67700133045122, which contains 22 as substring.

5818081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5818061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909040 + 2909041.

It is an arithmetic number, because the mean of its divisors is an integer number (2909041).

Almost surely, 2^5818081 is an apocalyptic number.

It is an amenable number.

5818081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5818081 is an equidigital number, since it uses as much as digits as its factorization.

5818081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 5818081 is about 2412.0698580265. The cubic root of 5818081 is about 179.8566863373.

The spelling of 5818081 in words is "five million, eight hundred eighteen thousand, eighty-one".