6541804 has 18 divisors (see below), whose sum is σ = 12163340. Its totient is φ = 3077952.

The previous prime is 6541771. The next prime is 6541807. The reversal of 6541804 is 4081456.

It is not an unprimeable number, because it can be changed into a prime (6541807) 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 5 ways as a sum of consecutive naturals, for example, 1674 + ... + 3985.

Almost surely, 2^6541804 is an apocalyptic number.

It is an amenable number.

6541804 is a deficient number, since it is larger than the sum of its proper divisors (5621536).

6541804 is a wasteful number, since it uses less digits than its factorization.

6541804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 6541804 is about 2557.6950561003. The cubic root of 6541804 is about 187.0247901019.

The spelling of 6541804 in words is "six million, five hundred forty-one thousand, eight hundred four".