6548081 has 4 divisors (see below), whose sum is σ = 6553200. Its totient is φ = 6542964.

The previous prime is 6548071. The next prime is 6548093. The reversal of 6548081 is 1808456.

6548081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6548081 is a prime.

It is a super-2 number, since 2×6548081² = 85754729565122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6548051) 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 3 ways as a sum of consecutive naturals, for example, 1250 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (1638300).

Almost surely, 2^6548081 is an apocalyptic number.

It is an amenable number.

6548081 is a deficient number, since it is larger than the sum of its proper divisors (5119).

6548081 is a wasteful number, since it uses less digits than its factorization.

6548081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 6548081 is about 2558.9218432770. The cubic root of 6548081 is about 187.0845890671.

The spelling of 6548081 in words is "six million, five hundred forty-eight thousand, eighty-one".