6444233 has 2 divisors, whose sum is σ = 6444234. Its totient is φ = 6444232.

The previous prime is 6444199. The next prime is 6444259. The reversal of 6444233 is 3324446.

It is an a-pointer prime, because the next prime (6444259) can be obtained adding 6444233 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5438224 + 1006009 = 2332^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 6444233 - 2⁶ = 6444169 is a prime.

It is not a weakly prime, because it can be changed into another prime (6444533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222116 + 3222117.

It is an arithmetic number, because the mean of its divisors is an integer number (3222117).

Almost surely, 2^6444233 is an apocalyptic number.

It is an amenable number.

6444233 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444233 is an equidigital number, since it uses as much as digits as its factorization.

6444233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

The square root of 6444233 is about 2538.5493889227. The cubic root of 6444233 is about 186.0903037817.

Adding to 6444233 its reverse (3324446), we get a palindrome (9768679).

The spelling of 6444233 in words is "six million, four hundred forty-four thousand, two hundred thirty-three".