8543473 has 2 divisors, whose sum is σ = 8543474. Its totient is φ = 8543472.

The previous prime is 8543471. The next prime is 8543527. The reversal of 8543473 is 3743458.

It is a happy number.

8543473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 831744 = 2777^2 + 912^2 .

It is a cyclic number.

It is not a de Polignac number, because 8543473 - 2¹ = 8543471 is a prime.

Together with 8543471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8543471) 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, 4271736 + 4271737.

It is an arithmetic number, because the mean of its divisors is an integer number (4271737).

Almost surely, 2^8543473 is an apocalyptic number.

It is an amenable number.

8543473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8543473 is an equidigital number, since it uses as much as digits as its factorization.

8543473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 8543473 is about 2922.9219969065. The cubic root of 8543473 is about 204.4300887075.

The spelling of 8543473 in words is "eight million, five hundred forty-three thousand, four hundred seventy-three".