27044197 has 2 divisors, whose sum is σ = 27044198. Its totient is φ = 27044196.

The previous prime is 27044191. The next prime is 27044209. The reversal of 27044197 is 79144072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21288996 + 5755201 = 4614^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 27044197 - 2³ = 27044189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27044191) 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, 13522098 + 13522099.

It is an arithmetic number, because the mean of its divisors is an integer number (13522099).

Almost surely, 2^27044197 is an apocalyptic number.

It is an amenable number.

27044197 is a deficient number, since it is larger than the sum of its proper divisors (1).

27044197 is an equidigital number, since it uses as much as digits as its factorization.

27044197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 27044197 is about 5200.4035420340. The cubic root of 27044197 is about 300.1636033562.

The spelling of 27044197 in words is "twenty-seven million, forty-four thousand, one hundred ninety-seven".