27042017 has 2 divisors, whose sum is σ = 27042018. Its totient is φ = 27042016.

The previous prime is 27041977. The next prime is 27042023. The reversal of 27042017 is 71024072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14714896 + 12327121 = 3836^2 + 3511^2 .

It is a cyclic number.

It is not a de Polignac number, because 27042017 - 2⁶ = 27041953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27041983 and 27042001.

It is not a weakly prime, because it can be changed into another prime (27042077) 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, 13521008 + 13521009.

It is an arithmetic number, because the mean of its divisors is an integer number (13521009).

Almost surely, 2^27042017 is an apocalyptic number.

It is an amenable number.

27042017 is a deficient number, since it is larger than the sum of its proper divisors (1).

27042017 is an equidigital number, since it uses as much as digits as its factorization.

27042017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 27042017 is about 5200.1939386911. The cubic root of 27042017 is about 300.1555378645.

Adding to 27042017 its reverse (71024072), we get a palindrome (98066089).

The spelling of 27042017 in words is "twenty-seven million, forty-two thousand, seventeen".