27750113 has 2 divisors, whose sum is σ = 27750114. Its totient is φ = 27750112.

The previous prime is 27750109. The next prime is 27750139. The reversal of 27750113 is 31105772.

It is an a-pointer prime, because the next prime (27750139) can be obtained adding 27750113 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., 25725184 + 2024929 = 5072^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 27750113 - 2² = 27750109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27750193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875056 + 13875057.

It is an arithmetic number, because the mean of its divisors is an integer number (13875057).

Almost surely, 2^27750113 is an apocalyptic number.

It is an amenable number.

27750113 is a deficient number, since it is larger than the sum of its proper divisors (1).

27750113 is an equidigital number, since it uses as much as digits as its factorization.

27750113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 27750113 is about 5267.8376019008. The cubic root of 27750113 is about 302.7528582683.

Adding to 27750113 its reverse (31105772), we get a palindrome (58855885).

The spelling of 27750113 in words is "twenty-seven million, seven hundred fifty thousand, one hundred thirteen".