8540111 has 2 divisors, whose sum is σ = 8540112. Its totient is φ = 8540110.

The previous prime is 8540099. The next prime is 8540113. The reversal of 8540111 is 1110458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8540111 - 2⁶ = 8540047 is a prime.

Together with 8540113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8540113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270055 + 4270056.

It is an arithmetic number, because the mean of its divisors is an integer number (4270056).

Almost surely, 2^8540111 is an apocalyptic number.

8540111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540111 is an equidigital number, since it uses as much as digits as its factorization.

8540111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 8540111 is about 2922.3468308878. The cubic root of 8540111 is about 204.4032696324.

Adding to 8540111 its reverse (1110458), we get a palindrome (9650569).

The spelling of 8540111 in words is "eight million, five hundred forty thousand, one hundred eleven".