4067543 has 2 divisors, whose sum is σ = 4067544. Its totient is φ = 4067542.

The previous prime is 4067513. The next prime is 4067561. The reversal of 4067543 is 3457604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4067543 - 2¹² = 4063447 is a prime.

It is a d-powerful number, because it can be written as 4¹⁰ + 0 + 6³ + 7⁵ + 5⁹ + 4¹⁰ + 3⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4067513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033771 + 2033772.

It is an arithmetic number, because the mean of its divisors is an integer number (2033772).

Almost surely, 2^4067543 is an apocalyptic number.

4067543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4067543 is an equidigital number, since it uses as much as digits as its factorization.

4067543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 4067543 is about 2016.8150634106. The cubic root of 4067543 is about 159.6286047225.

The spelling of 4067543 in words is "four million, sixty-seven thousand, five hundred forty-three".