8541217 has 2 divisors, whose sum is σ = 8541218. Its totient is φ = 8541216.

The previous prime is 8541199. The next prime is 8541233. The reversal of 8541217 is 7121458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5387041 + 3154176 = 2321^2 + 1776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8541217 is a prime.

It is not a weakly prime, because it can be changed into another prime (8541277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270608 + 4270609.

It is an arithmetic number, because the mean of its divisors is an integer number (4270609).

Almost surely, 2^8541217 is an apocalyptic number.

It is an amenable number.

8541217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8541217 is an equidigital number, since it uses as much as digits as its factorization.

8541217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 28.

The square root of 8541217 is about 2922.5360562361. The cubic root of 8541217 is about 204.4120931031.

The spelling of 8541217 in words is "eight million, five hundred forty-one thousand, two hundred seventeen".