27311593 has 2 divisors, whose sum is σ = 27311594. Its totient is φ = 27311592.

The previous prime is 27311539. The next prime is 27311597. The reversal of 27311593 is 39511372.

Together with previous prime (27311539) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26337424 + 974169 = 5132^2 + 987^2 .

It is a cyclic number.

It is not a de Polignac number, because 27311593 - 2¹³ = 27303401 is a prime.

It is a super-2 number, since 2×27311593² = 1491846224395298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27311597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13655796 + 13655797.

It is an arithmetic number, because the mean of its divisors is an integer number (13655797).

Almost surely, 2^27311593 is an apocalyptic number.

It is an amenable number.

27311593 is a deficient number, since it is larger than the sum of its proper divisors (1).

27311593 is an equidigital number, since it uses as much as digits as its factorization.

27311593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 31.

The square root of 27311593 is about 5226.0494639833. The cubic root of 27311593 is about 301.1496369701.

The spelling of 27311593 in words is "twenty-seven million, three hundred eleven thousand, five hundred ninety-three".