27053189 has 2 divisors, whose sum is σ = 27053190. Its totient is φ = 27053188.

The previous prime is 27053123. The next prime is 27053197. The reversal of 27053189 is 98135072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17181025 + 9872164 = 4145^2 + 3142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27053189 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_1686149 and since 27053189 and 1686149 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27053119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13526594 + 13526595.

It is an arithmetic number, because the mean of its divisors is an integer number (13526595).

Almost surely, 2^27053189 is an apocalyptic number.

It is an amenable number.

27053189 is a deficient number, since it is larger than the sum of its proper divisors (1).

27053189 is an equidigital number, since it uses as much as digits as its factorization.

27053189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 27053189 is about 5201.2680184740. The cubic root of 27053189 is about 300.1968670792.

The spelling of 27053189 in words is "twenty-seven million, fifty-three thousand, one hundred eighty-nine".