6223549 has 2 divisors, whose sum is σ = 6223550. Its totient is φ = 6223548.

The previous prime is 6223531. The next prime is 6223561. The reversal of 6223549 is 9453226.

6223549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 2295225 = 1982^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 6223549 - 2¹³ = 6215357 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6⁴ + 2⁶ + 2²⁰ + 3 + 5⁸ + 4² + 9⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 6223549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6223579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111774 + 3111775.

It is an arithmetic number, because the mean of its divisors is an integer number (3111775).

Almost surely, 2^6223549 is an apocalyptic number.

It is an amenable number.

6223549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6223549 is an equidigital number, since it uses as much as digits as its factorization.

6223549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 6223549 is about 2494.7041908812. The cubic root of 6223549 is about 183.9413506366.

The spelling of 6223549 in words is "six million, two hundred twenty-three thousand, five hundred forty-nine".