2659543 has 4 divisors (see below), whose sum is σ = 2704680. Its totient is φ = 2614408.

The previous prime is 2659537. The next prime is 2659549. The reversal of 2659543 is 3459562.

2659543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2659537) and next prime (2659549).

It is not a de Polignac number, because 2659543 - 2⁵ = 2659511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2659499 and 2659508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2659549) 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 in 3 ways as a sum of consecutive naturals, for example, 22480 + ... + 22597.

It is an arithmetic number, because the mean of its divisors is an integer number (676170).

2^2659543 is an apocalyptic number.

2659543 is a deficient number, since it is larger than the sum of its proper divisors (45137).

2659543 is an equidigital number, since it uses as much as digits as its factorization.

2659543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45136.

The product of its digits is 32400, while the sum is 34.

The square root of 2659543 is about 1630.8105346729. The cubic root of 2659543 is about 138.5486628862.

The spelling of 2659543 in words is "two million, six hundred fifty-nine thousand, five hundred forty-three".