27047539 has 2 divisors, whose sum is σ = 27047540. Its totient is φ = 27047538.

The previous prime is 27047519. The next prime is 27047549. The reversal of 27047539 is 93574072.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27047539 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27047498 and 27047507.

It is not a weakly prime, because it can be changed into another prime (27047519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13523769 + 13523770.

It is an arithmetic number, because the mean of its divisors is an integer number (13523770).

Almost surely, 2^27047539 is an apocalyptic number.

27047539 is a deficient number, since it is larger than the sum of its proper divisors (1).

27047539 is an equidigital number, since it uses as much as digits as its factorization.

27047539 is an odious number, because the sum of its binary digits is odd.

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

The square root of 27047539 is about 5200.7248533257. The cubic root of 27047539 is about 300.1759671354.

The spelling of 27047539 in words is "twenty-seven million, forty-seven thousand, five hundred thirty-nine".