6553223 has 4 divisors (see below), whose sum is σ = 6620880. Its totient is φ = 6485568.

The previous prime is 6553219. The next prime is 6553231. The reversal of 6553223 is 3223556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6553223 - 2² = 6553219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6553192 and 6553201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33683 + ... + 33876.

It is an arithmetic number, because the mean of its divisors is an integer number (1655220).

Almost surely, 2^6553223 is an apocalyptic number.

6553223 is a deficient number, since it is larger than the sum of its proper divisors (67657).

6553223 is an equidigital number, since it uses as much as digits as its factorization.

6553223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67656.

The product of its digits is 5400, while the sum is 26.

The square root of 6553223 is about 2559.9263661285. The cubic root of 6553223 is about 187.1335467826.

Adding to 6553223 its reverse (3223556), we get a palindrome (9776779).

It can be divided in two parts, 6553 and 223, that added together give a palindrome (6776).

The spelling of 6553223 in words is "six million, five hundred fifty-three thousand, two hundred twenty-three".