27249193 has 2 divisors, whose sum is σ = 27249194. Its totient is φ = 27249192.

The previous prime is 27249191. The next prime is 27249197. The reversal of 27249193 is 39194272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 1968409 = 5028^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 27249193 - 2¹ = 27249191 is a prime.

Together with 27249191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27249191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13624596 + 13624597.

It is an arithmetic number, because the mean of its divisors is an integer number (13624597).

Almost surely, 2^27249193 is an apocalyptic number.

It is an amenable number.

27249193 is a deficient number, since it is larger than the sum of its proper divisors (1).

27249193 is an equidigital number, since it uses as much as digits as its factorization.

27249193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 27249193 is about 5220.0759573018. The cubic root of 27249193 is about 300.9201121308.

The spelling of 27249193 in words is "twenty-seven million, two hundred forty-nine thousand, one hundred ninety-three".