27118313 has 2 divisors, whose sum is σ = 27118314. Its totient is φ = 27118312.

The previous prime is 27118309. The next prime is 27118319. The reversal of 27118313 is 31381172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 1281424 = 5083^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 27118313 - 2² = 27118309 is a prime.

It is not a weakly prime, because it can be changed into another prime (27118319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13559156 + 13559157.

It is an arithmetic number, because the mean of its divisors is an integer number (13559157).

Almost surely, 2^27118313 is an apocalyptic number.

It is an amenable number.

27118313 is a deficient number, since it is larger than the sum of its proper divisors (1).

27118313 is an equidigital number, since it uses as much as digits as its factorization.

27118313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 27118313 is about 5207.5246518860. The cubic root of 27118313 is about 300.4375577966.

Adding to 27118313 its reverse (31381172), we get a palindrome (58499485).

The spelling of 27118313 in words is "twenty-seven million, one hundred eighteen thousand, three hundred thirteen".