27260489 has 2 divisors, whose sum is σ = 27260490. Its totient is φ = 27260488.

The previous prime is 27260479. The next prime is 27260509. The reversal of 27260489 is 98406272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26419600 + 840889 = 5140^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 27260489 - 2²⁴ = 10483273 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27260479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13630244 + 13630245.

It is an arithmetic number, because the mean of its divisors is an integer number (13630245).

Almost surely, 2^27260489 is an apocalyptic number.

It is an amenable number.

27260489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27260489 is an equidigital number, since it uses as much as digits as its factorization.

27260489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 27260489 is about 5221.1578217863. The cubic root of 27260489 is about 300.9616879675.

The spelling of 27260489 in words is "twenty-seven million, two hundred sixty thousand, four hundred eighty-nine".