27265489 has 2 divisors, whose sum is σ = 27265490. Its totient is φ = 27265488.

The previous prime is 27265477. The next prime is 27265517. The reversal of 27265489 is 98456272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27217089 + 48400 = 5217^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 27265489 - 2⁵ = 27265457 is a prime.

It is not a weakly prime, because it can be changed into another prime (27265409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13632744 + 13632745.

It is an arithmetic number, because the mean of its divisors is an integer number (13632745).

Almost surely, 2^27265489 is an apocalyptic number.

It is an amenable number.

27265489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27265489 is an equidigital number, since it uses as much as digits as its factorization.

27265489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 27265489 is about 5221.6366208307. The cubic root of 27265489 is about 300.9800872027.

The spelling of 27265489 in words is "twenty-seven million, two hundred sixty-five thousand, four hundred eighty-nine".