6081989 has 2 divisors, whose sum is σ = 6081990. Its totient is φ = 6081988.

The previous prime is 6081961. The next prime is 6082001. The reversal of 6081989 is 9891806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5841889 + 240100 = 2417^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 6081989 - 2¹² = 6077893 is a prime.

It is a super-2 number, since 2×6081989² = 73981180392242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6081289) 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 as a sum of consecutive naturals, namely, 3040994 + 3040995.

It is an arithmetic number, because the mean of its divisors is an integer number (3040995).

Almost surely, 2^6081989 is an apocalyptic number.

It is an amenable number.

6081989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6081989 is an equidigital number, since it uses as much as digits as its factorization.

6081989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 6081989 is about 2466.1688912157. The cubic root of 6081989 is about 182.5360059064.

The spelling of 6081989 in words is "six million, eighty-one thousand, nine hundred eighty-nine".