27151249 has 2 divisors, whose sum is σ = 27151250. Its totient is φ = 27151248.

The previous prime is 27151231. The next prime is 27151259. The reversal of 27151249 is 94215172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18490000 + 8661249 = 4300^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 27151249 - 2⁵ = 27151217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27151249.

It is not a weakly prime, because it can be changed into another prime (27151259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13575624 + 13575625.

It is an arithmetic number, because the mean of its divisors is an integer number (13575625).

Almost surely, 2^27151249 is an apocalyptic number.

It is an amenable number.

27151249 is a deficient number, since it is larger than the sum of its proper divisors (1).

27151249 is an equidigital number, since it uses as much as digits as its factorization.

27151249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 27151249 is about 5210.6860392850. The cubic root of 27151249 is about 300.5591387137.

The spelling of 27151249 in words is "twenty-seven million, one hundred fifty-one thousand, two hundred forty-nine".