6553343 has 2 divisors, whose sum is σ = 6553344. Its totient is φ = 6553342.

The previous prime is 6553331. The next prime is 6553357. The reversal of 6553343 is 3433556.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6553343 - 2¹² = 6549247 is a prime.

It is a Chen prime.

It is equal to p₄₄₈₁₆₆ and since 6553343 and 448166 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6553303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276671 + 3276672.

It is an arithmetic number, because the mean of its divisors is an integer number (3276672).

Almost surely, 2^6553343 is an apocalyptic number.

6553343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6553343 is an equidigital number, since it uses as much as digits as its factorization.

6553343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 29.

The square root of 6553343 is about 2559.9498041954. The cubic root of 6553343 is about 187.1346890139.

Adding to 6553343 its reverse (3433556), we get a palindrome (9986899).

The spelling of 6553343 in words is "six million, five hundred fifty-three thousand, three hundred forty-three".