27490193 has 2 divisors, whose sum is σ = 27490194. Its totient is φ = 27490192.

The previous prime is 27490189. The next prime is 27490217. The reversal of 27490193 is 39109472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25482304 + 2007889 = 5048^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 27490193 - 2² = 27490189 is a prime.

It is a super-2 number, since 2×27490193² = 1511421422354498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27490123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13745096 + 13745097.

It is an arithmetic number, because the mean of its divisors is an integer number (13745097).

Almost surely, 2^27490193 is an apocalyptic number.

It is an amenable number.

27490193 is a deficient number, since it is larger than the sum of its proper divisors (1).

27490193 is an equidigital number, since it uses as much as digits as its factorization.

27490193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 27490193 is about 5243.1090967097. The cubic root of 27490193 is about 301.8046519660.

The spelling of 27490193 in words is "twenty-seven million, four hundred ninety thousand, one hundred ninety-three".