8543413 has 2 divisors, whose sum is σ = 8543414. Its totient is φ = 8543412.

The previous prime is 8543399. The next prime is 8543443. The reversal of 8543413 is 3143458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8538084 + 5329 = 2922^2 + 73^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8543413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8543443) 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, 4271706 + 4271707.

It is an arithmetic number, because the mean of its divisors is an integer number (4271707).

Almost surely, 2^8543413 is an apocalyptic number.

It is an amenable number.

8543413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8543413 is an equidigital number, since it uses as much as digits as its factorization.

8543413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 8543413 is about 2922.9117331866. The cubic root of 8543413 is about 204.4296101420.

The spelling of 8543413 in words is "eight million, five hundred forty-three thousand, four hundred thirteen".