6725543 has 16 divisors (see below), whose sum is σ = 7683072. Its totient is φ = 5880600.

The previous prime is 6725533. The next prime is 6725549. The reversal of 6725543 is 3455276.

6725543 = T₂ + T₃ + ... + T₃₄₂.

6725543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6725543 - 2⁶ = 6725479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41180 + ... + 41342.

It is an arithmetic number, because the mean of its divisors is an integer number (480192).

Almost surely, 2^6725543 is an apocalyptic number.

6725543 is a deficient number, since it is larger than the sum of its proper divisors (957529).

6725543 is a wasteful number, since it uses less digits than its factorization.

6725543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 205 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 6725543 is about 2593.3651883219. The cubic root of 6725543 is about 188.7596302266.

The spelling of 6725543 in words is "six million, seven hundred twenty-five thousand, five hundred forty-three".