6543379 has 8 divisors (see below), whose sum is σ = 6660720. Its totient is φ = 6427296.

The previous prime is 6543377. The next prime is 6543389. The reversal of 6543379 is 9733456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6543379 - 2¹ = 6543377 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 5⁷ + 4² + 3⁵ + 3¹⁴ + 7⁴ + 9 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6543373) 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 7 ways as a sum of consecutive naturals, for example, 18684 + ... + 19030.

It is an arithmetic number, because the mean of its divisors is an integer number (832590).

Almost surely, 2^6543379 is an apocalyptic number.

6543379 is a deficient number, since it is larger than the sum of its proper divisors (117341).

6543379 is a wasteful number, since it uses less digits than its factorization.

6543379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its digits is 68040, while the sum is 37.

The square root of 6543379 is about 2558.0029319764. The cubic root of 6543379 is about 187.0397982153.

The spelling of 6543379 in words is "six million, five hundred forty-three thousand, three hundred seventy-nine".