27115853 has 2 divisors, whose sum is σ = 27115854. Its totient is φ = 27115852.

The previous prime is 27115811. The next prime is 27115859. The reversal of 27115853 is 35851172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16337764 + 10778089 = 4042^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 27115853 - 2⁶ = 27115789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27115859) 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, 13557926 + 13557927.

It is an arithmetic number, because the mean of its divisors is an integer number (13557927).

Almost surely, 2^27115853 is an apocalyptic number.

It is an amenable number.

27115853 is a deficient number, since it is larger than the sum of its proper divisors (1).

27115853 is an equidigital number, since it uses as much as digits as its factorization.

27115853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 27115853 is about 5207.2884498556. The cubic root of 27115853 is about 300.4284729303.

The spelling of 27115853 in words is "twenty-seven million, one hundred fifteen thousand, eight hundred fifty-three".