27366961 has 2 divisors, whose sum is σ = 27366962. Its totient is φ = 27366960.

The previous prime is 27366953. The next prime is 27367001. The reversal of 27366961 is 16966372.

It is an a-pointer prime, because the next prime (27367001) can be obtained adding 27366961 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27363361 + 3600 = 5231^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 27366961 - 2³ = 27366953 is a prime.

It is not a weakly prime, because it can be changed into another prime (27366931) 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, 13683480 + 13683481.

It is an arithmetic number, because the mean of its divisors is an integer number (13683481).

Almost surely, 2^27366961 is an apocalyptic number.

It is an amenable number.

27366961 is a deficient number, since it is larger than the sum of its proper divisors (1).

27366961 is an equidigital number, since it uses as much as digits as its factorization.

27366961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 27366961 is about 5231.3440911490. The cubic root of 27366961 is about 301.3530035791.

The spelling of 27366961 in words is "twenty-seven million, three hundred sixty-six thousand, nine hundred sixty-one".