27185089 has 2 divisors, whose sum is σ = 27185090. Its totient is φ = 27185088.

The previous prime is 27185071. The next prime is 27185101. The reversal of 27185089 is 98058172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 2265025 = 4992^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 27185089 - 2¹⁷ = 27054017 is a prime.

It is not a weakly prime, because it can be changed into another prime (27185069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13592544 + 13592545.

It is an arithmetic number, because the mean of its divisors is an integer number (13592545).

Almost surely, 2^27185089 is an apocalyptic number.

It is an amenable number.

27185089 is a deficient number, since it is larger than the sum of its proper divisors (1).

27185089 is an equidigital number, since it uses as much as digits as its factorization.

27185089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 27185089 is about 5213.9322013237. The cubic root of 27185089 is about 300.6839543181.

The spelling of 27185089 in words is "twenty-seven million, one hundred eighty-five thousand, eighty-nine".