27325729 has 2 divisors, whose sum is σ = 27325730. Its totient is φ = 27325728.

The previous prime is 27325703. The next prime is 27325733. The reversal of 27325729 is 92752372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21372129 + 5953600 = 4623^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 27325729 - 2⁹ = 27325217 is a prime.

It is not a weakly prime, because it can be changed into another prime (27325789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13662864 + 13662865.

It is an arithmetic number, because the mean of its divisors is an integer number (13662865).

Almost surely, 2^27325729 is an apocalyptic number.

It is an amenable number.

27325729 is a deficient number, since it is larger than the sum of its proper divisors (1).

27325729 is an equidigital number, since it uses as much as digits as its factorization.

27325729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 27325729 is about 5227.4017446529. The cubic root of 27325729 is about 301.2015845932.

The spelling of 27325729 in words is "twenty-seven million, three hundred twenty-five thousand, seven hundred twenty-nine".