27144049 has 2 divisors, whose sum is σ = 27144050. Its totient is φ = 27144048.

The previous prime is 27144041. The next prime is 27144107. The reversal of 27144049 is 94044172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 11343424 = 3975^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 27144049 - 2³ = 27144041 is a prime.

It is a super-2 number, since 2×27144049² = 1473598792228802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27144049.

It is not a weakly prime, because it can be changed into another prime (27144041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13572024 + 13572025.

It is an arithmetic number, because the mean of its divisors is an integer number (13572025).

Almost surely, 2^27144049 is an apocalyptic number.

It is an amenable number.

27144049 is a deficient number, since it is larger than the sum of its proper divisors (1).

27144049 is an equidigital number, since it uses as much as digits as its factorization.

27144049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 27144049 is about 5209.9951055639. The cubic root of 27144049 is about 300.5325688235.

The spelling of 27144049 in words is "twenty-seven million, one hundred forty-four thousand, forty-nine".