27345239 has 2 divisors, whose sum is σ = 27345240. Its totient is φ = 27345238.

The previous prime is 27345233. The next prime is 27345247. The reversal of 27345239 is 93254372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27345239 - 2⁴ = 27345223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27345199 and 27345208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27345233) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13672619 + 13672620.

It is an arithmetic number, because the mean of its divisors is an integer number (13672620).

Almost surely, 2^27345239 is an apocalyptic number.

27345239 is a deficient number, since it is larger than the sum of its proper divisors (1).

27345239 is an equidigital number, since it uses as much as digits as its factorization.

27345239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 27345239 is about 5229.2675395317. The cubic root of 27345239 is about 301.2732514207.

The spelling of 27345239 in words is "twenty-seven million, three hundred forty-five thousand, two hundred thirty-nine".