27611317 has 2 divisors, whose sum is σ = 27611318. Its totient is φ = 27611316.

The previous prime is 27611299. The next prime is 27611321. The reversal of 27611317 is 71311672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26071236 + 1540081 = 5106^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 27611317 - 2⁷ = 27611189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27611347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13805658 + 13805659.

It is an arithmetic number, because the mean of its divisors is an integer number (13805659).

Almost surely, 2^27611317 is an apocalyptic number.

It is an amenable number.

27611317 is a deficient number, since it is larger than the sum of its proper divisors (1).

27611317 is an equidigital number, since it uses as much as digits as its factorization.

27611317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 28.

The square root of 27611317 is about 5254.6471813053. The cubic root of 27611317 is about 302.2472610625.

Adding to 27611317 its reverse (71311672), we get a palindrome (98922989).

The spelling of 27611317 in words is "twenty-seven million, six hundred eleven thousand, three hundred seventeen".