27482993 has 2 divisors, whose sum is σ = 27482994. Its totient is φ = 27482992.

The previous prime is 27482969. The next prime is 27483011. The reversal of 27482993 is 39928472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21641104 + 5841889 = 4652^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 27482993 - 2⁶ = 27482929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27482963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13741496 + 13741497.

It is an arithmetic number, because the mean of its divisors is an integer number (13741497).

Almost surely, 2^27482993 is an apocalyptic number.

It is an amenable number.

27482993 is a deficient number, since it is larger than the sum of its proper divisors (1).

27482993 is an equidigital number, since it uses as much as digits as its factorization.

27482993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 27482993 is about 5242.4224362407. The cubic root of 27482993 is about 301.7783009538.

The spelling of 27482993 in words is "twenty-seven million, four hundred eighty-two thousand, nine hundred ninety-three".