6543073 has 2 divisors, whose sum is σ = 6543074. Its totient is φ = 6543072.

The previous prime is 6543059. The next prime is 6543101. The reversal of 6543073 is 3703456.

It is an a-pointer prime, because the next prime (6543101) can be obtained adding 6543073 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6290064 + 253009 = 2508^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 6543073 - 2⁹ = 6542561 is a prime.

It is not a weakly prime, because it can be changed into another prime (6543373) 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, 3271536 + 3271537.

It is an arithmetic number, because the mean of its divisors is an integer number (3271537).

Almost surely, 2^6543073 is an apocalyptic number.

It is an amenable number.

6543073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6543073 is an equidigital number, since it uses as much as digits as its factorization.

6543073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 6543073 is about 2557.9431189923. The cubic root of 6543073 is about 187.0368825418.

The spelling of 6543073 in words is "six million, five hundred forty-three thousand, seventy-three".