6656233 has 4 divisors (see below), whose sum is σ = 6663168. Its totient is φ = 6649300.

The previous prime is 6656201. The next prime is 6656239. The reversal of 6656233 is 3326566.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6656233 - 2⁵ = 6656201 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6656195 and 6656204.

It is not an unprimeable number, because it can be changed into a prime (6656239) 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 in 3 ways as a sum of consecutive naturals, for example, 1741 + ... + 4042.

It is an arithmetic number, because the mean of its divisors is an integer number (1665792).

Almost surely, 2^6656233 is an apocalyptic number.

It is an amenable number.

6656233 is a deficient number, since it is larger than the sum of its proper divisors (6935).

6656233 is a wasteful number, since it uses less digits than its factorization.

6656233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934.

The product of its digits is 19440, while the sum is 31.

The square root of 6656233 is about 2579.9676354559. The cubic root of 6656233 is about 188.1089699479.

It can be divided in two parts, 6656 and 233, that added together give a square (6889 = 83²).

The spelling of 6656233 in words is "six million, six hundred fifty-six thousand, two hundred thirty-three".