6544791 has 12 divisors (see below), whose sum is σ = 10313160. Its totient is φ = 3966480.

The previous prime is 6544787. The next prime is 6544801. The reversal of 6544791 is 1974456.

6544791 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 6544791 - 2² = 6544787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32956 + ... + 33153.

It is an arithmetic number, because the mean of its divisors is an integer number (859430).

Almost surely, 2^6544791 is an apocalyptic number.

6544791 is a deficient number, since it is larger than the sum of its proper divisors (3768369).

6544791 is a wasteful number, since it uses less digits than its factorization.

6544791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66126 (or 66123 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6544791 is about 2558.2789136449. The cubic root of 6544791 is about 187.0532510608.

It can be divided in two parts, 654 and 4791, that added together give a palindrome (5445).

The spelling of 6544791 in words is "six million, five hundred forty-four thousand, seven hundred ninety-one".