27280049 has 2 divisors, whose sum is σ = 27280050. Its totient is φ = 27280048.

The previous prime is 27280003. The next prime is 27280073. The reversal of 27280049 is 94008272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19963024 + 7317025 = 4468^2 + 2705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27280049 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27279997 and 27280024.

It is not a weakly prime, because it can be changed into another prime (27280079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13640024 + 13640025.

It is an arithmetic number, because the mean of its divisors is an integer number (13640025).

Almost surely, 2^27280049 is an apocalyptic number.

It is an amenable number.

27280049 is a deficient number, since it is larger than the sum of its proper divisors (1).

27280049 is an equidigital number, since it uses as much as digits as its factorization.

27280049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 27280049 is about 5223.0306336456. The cubic root of 27280049 is about 301.0336529667.

The spelling of 27280049 in words is "twenty-seven million, two hundred eighty thousand, forty-nine".