27310091 has 2 divisors, whose sum is σ = 27310092. Its totient is φ = 27310090.

The previous prime is 27310067. The next prime is 27310099. The reversal of 27310091 is 19001372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27310091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27310099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13655045 + 13655046.

It is an arithmetic number, because the mean of its divisors is an integer number (13655046).

Almost surely, 2^27310091 is an apocalyptic number.

27310091 is a deficient number, since it is larger than the sum of its proper divisors (1).

27310091 is an equidigital number, since it uses as much as digits as its factorization.

27310091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 27310091 is about 5225.9057588135. The cubic root of 27310091 is about 301.1441162980.

The spelling of 27310091 in words is "twenty-seven million, three hundred ten thousand, ninety-one".