6408543 has 4 divisors (see below), whose sum is σ = 8544728. Its totient is φ = 4272360.

The previous prime is 6408533. The next prime is 6408553. The reversal of 6408543 is 3458046.

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 (6408533) and next prime (6408553).

It is not a de Polignac number, because 6408543 - 2¹⁰ = 6407519 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6408543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408503) 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 in 3 ways as a sum of consecutive naturals, for example, 1068088 + ... + 1068093.

It is an arithmetic number, because the mean of its divisors is an integer number (2136182).

Almost surely, 2^6408543 is an apocalyptic number.

6408543 is a deficient number, since it is larger than the sum of its proper divisors (2136185).

6408543 is a wasteful number, since it uses less digits than its factorization.

6408543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136184.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6408543 is about 2531.5100236815. The cubic root of 6408543 is about 185.7461272256.

The spelling of 6408543 in words is "six million, four hundred eight thousand, five hundred forty-three".