6548891 has 4 divisors (see below), whose sum is σ = 6582000. Its totient is φ = 6515784.

The previous prime is 6548881. The next prime is 6548897. The reversal of 6548891 is 1988456.

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

It is a cyclic number.

It is not a de Polignac number, because 6548891 - 2¹⁰ = 6547867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6548897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16256 + ... + 16653.

It is an arithmetic number, because the mean of its divisors is an integer number (1645500).

Almost surely, 2^6548891 is an apocalyptic number.

6548891 is a deficient number, since it is larger than the sum of its proper divisors (33109).

6548891 is a wasteful number, since it uses less digits than its factorization.

6548891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33108.

The product of its digits is 69120, while the sum is 41.

The square root of 6548891 is about 2559.0801081639. The cubic root of 6548891 is about 187.0923028930.

The spelling of 6548891 in words is "six million, five hundred forty-eight thousand, eight hundred ninety-one".