27144259 has 2 divisors, whose sum is σ = 27144260. Its totient is φ = 27144258.

The previous prime is 27144193. The next prime is 27144269. The reversal of 27144259 is 95244172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27144259 - 2²¹ = 25047107 is a prime.

It is not a weakly prime, because it can be changed into another prime (27144269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13572129 + 13572130.

It is an arithmetic number, because the mean of its divisors is an integer number (13572130).

Almost surely, 2^27144259 is an apocalyptic number.

27144259 is a deficient number, since it is larger than the sum of its proper divisors (1).

27144259 is an equidigital number, since it uses as much as digits as its factorization.

27144259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 27144259 is about 5210.0152590947. The cubic root of 27144259 is about 300.5333438452.

The spelling of 27144259 in words is "twenty-seven million, one hundred forty-four thousand, two hundred fifty-nine".