27545113 has 2 divisors, whose sum is σ = 27545114. Its totient is φ = 27545112.

The previous prime is 27545087. The next prime is 27545137. The reversal of 27545113 is 31154572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22401289 + 5143824 = 4733^2 + 2268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27545113 is a prime.

It is not a weakly prime, because it can be changed into another prime (27545813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13772556 + 13772557.

It is an arithmetic number, because the mean of its divisors is an integer number (13772557).

Almost surely, 2^27545113 is an apocalyptic number.

It is an amenable number.

27545113 is a deficient number, since it is larger than the sum of its proper divisors (1).

27545113 is an equidigital number, since it uses as much as digits as its factorization.

27545113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 27545113 is about 5248.3438340109. The cubic root of 27545113 is about 302.0055003896.

Adding to 27545113 its reverse (31154572), we get a palindrome (58699685).

The spelling of 27545113 in words is "twenty-seven million, five hundred forty-five thousand, one hundred thirteen".