6554243 has 2 divisors, whose sum is σ = 6554244. Its totient is φ = 6554242.

The previous prime is 6554239. The next prime is 6554269. The reversal of 6554243 is 3424556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6554243 - 2² = 6554239 is a prime.

It is not a weakly prime, because it can be changed into another prime (6554213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277121 + 3277122.

It is an arithmetic number, because the mean of its divisors is an integer number (3277122).

Almost surely, 2^6554243 is an apocalyptic number.

6554243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6554243 is an equidigital number, since it uses as much as digits as its factorization.

6554243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 6554243 is about 2560.1255828572. The cubic root of 6554243 is about 187.1432553040.

Adding to 6554243 its reverse (3424556), we get a palindrome (9978799).

The spelling of 6554243 in words is "six million, five hundred fifty-four thousand, two hundred forty-three".