27141217 has 2 divisors, whose sum is σ = 27141218. Its totient is φ = 27141216.

The previous prime is 27141211. The next prime is 27141251. The reversal of 27141217 is 71214172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24196561 + 2944656 = 4919^2 + 1716^2 .

It is a cyclic number.

It is not a de Polignac number, because 27141217 - 2³ = 27141209 is a prime.

It is equal to p_1691350 and since 27141217 and 1691350 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 27141191 and 27141200.

It is not a weakly prime, because it can be changed into another prime (27141211) 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, 13570608 + 13570609.

It is an arithmetic number, because the mean of its divisors is an integer number (13570609).

Almost surely, 2^27141217 is an apocalyptic number.

It is an amenable number.

27141217 is a deficient number, since it is larger than the sum of its proper divisors (1).

27141217 is an equidigital number, since it uses as much as digits as its factorization.

27141217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 784, while the sum is 25.

The square root of 27141217 is about 5209.7233131904. The cubic root of 27141217 is about 300.5221167126.

Adding to 27141217 its reverse (71214172), we get a palindrome (98355389).

The spelling of 27141217 in words is "twenty-seven million, one hundred forty-one thousand, two hundred seventeen".