6548489 has 2 divisors, whose sum is σ = 6548490. Its totient is φ = 6548488.

The previous prime is 6548459. The next prime is 6548497. The reversal of 6548489 is 9848456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6086089 + 462400 = 2467^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 6548489 - 2¹² = 6544393 is a prime.

It is not a weakly prime, because it can be changed into another prime (6548459) 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 as a sum of consecutive naturals, namely, 3274244 + 3274245.

It is an arithmetic number, because the mean of its divisors is an integer number (3274245).

Almost surely, 2^6548489 is an apocalyptic number.

It is an amenable number.

6548489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6548489 is an equidigital number, since it uses as much as digits as its factorization.

6548489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 44.

The square root of 6548489 is about 2559.0015631101. The cubic root of 6548489 is about 187.0884746293.

The spelling of 6548489 in words is "six million, five hundred forty-eight thousand, four hundred eighty-nine".