27112517 has 2 divisors, whose sum is σ = 27112518. Its totient is φ = 27112516.

The previous prime is 27112513. The next prime is 27112543. The reversal of 27112517 is 71521172.

It is an a-pointer prime, because the next prime (27112543) can be obtained adding 27112517 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21585316 + 5527201 = 4646^2 + 2351^2 .

It is a cyclic number.

It is not a de Polignac number, because 27112517 - 2² = 27112513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27112511) 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, 13556258 + 13556259.

It is an arithmetic number, because the mean of its divisors is an integer number (13556259).

Almost surely, 2^27112517 is an apocalyptic number.

It is an amenable number.

27112517 is a deficient number, since it is larger than the sum of its proper divisors (1).

27112517 is an equidigital number, since it uses as much as digits as its factorization.

27112517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 980, while the sum is 26.

The square root of 27112517 is about 5206.9681197411. The cubic root of 27112517 is about 300.4161520875.

Adding to 27112517 its reverse (71521172), we get a palindrome (98633689).

The spelling of 27112517 in words is "twenty-seven million, one hundred twelve thousand, five hundred seventeen".