27371189 has 2 divisors, whose sum is σ = 27371190. Its totient is φ = 27371188.

The previous prime is 27371147. The next prime is 27371213. The reversal of 27371189 is 98117372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 1868689 = 5050^2 + 1367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27371189 is a prime.

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 (27371119) 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, 13685594 + 13685595.

It is an arithmetic number, because the mean of its divisors is an integer number (13685595).

Almost surely, 2^27371189 is an apocalyptic number.

It is an amenable number.

27371189 is a deficient number, since it is larger than the sum of its proper divisors (1).

27371189 is an equidigital number, since it uses as much as digits as its factorization.

27371189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 27371189 is about 5231.7481781905. The cubic root of 27371189 is about 301.3685217421.

The spelling of 27371189 in words is "twenty-seven million, three hundred seventy-one thousand, one hundred eighty-nine".