3091087 has 2 divisors, whose sum is σ = 3091088. Its totient is φ = 3091086.

The previous prime is 3091057. The next prime is 3091111. The reversal of 3091087 is 7801903.

It is a strong prime.

It is an emirp because it is prime and its reverse (7801903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3091087 - 2⁷ = 3090959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3091007) 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, 1545543 + 1545544.

It is an arithmetic number, because the mean of its divisors is an integer number (1545544).

Almost surely, 2^3091087 is an apocalyptic number.

3091087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3091087 is an equidigital number, since it uses as much as digits as its factorization.

3091087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 3091087 is about 1758.1487422855. The cubic root of 3091087 is about 145.6700970438.

The spelling of 3091087 in words is "three million, ninety-one thousand, eighty-seven".