2560543 has 2 divisors, whose sum is σ = 2560544. Its totient is φ = 2560542.

The previous prime is 2560517. The next prime is 2560549. The reversal of 2560543 is 3450652.

2560543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2560543 - 2⁹ = 2560031 is a prime.

2560543 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560549) 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, 1280271 + 1280272.

It is an arithmetic number, because the mean of its divisors is an integer number (1280272).

2^2560543 is an apocalyptic number.

2560543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560543 is an equidigital number, since it uses as much as digits as its factorization.

2560543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2560543 is about 1600.1696785029. The cubic root of 2560543 is about 136.8077471018.

The spelling of 2560543 in words is "two million, five hundred sixty thousand, five hundred forty-three".