27546641 has 2 divisors, whose sum is σ = 27546642. Its totient is φ = 27546640.

The previous prime is 27546619. The next prime is 27546643. The reversal of 27546641 is 14664572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27300625 + 246016 = 5225^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 27546641 - 2⁶ = 27546577 is a prime.

Together with 27546643, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1714958 and since 27546641 and 1714958 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (27546643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13773320 + 13773321.

It is an arithmetic number, because the mean of its divisors is an integer number (13773321).

Almost surely, 2^27546641 is an apocalyptic number.

It is an amenable number.

27546641 is a deficient number, since it is larger than the sum of its proper divisors (1).

27546641 is an equidigital number, since it uses as much as digits as its factorization.

27546641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 27546641 is about 5248.4894017231. The cubic root of 27546641 is about 302.0110846333.

The spelling of 27546641 in words is "twenty-seven million, five hundred forty-six thousand, six hundred forty-one".