6543233 has 2 divisors, whose sum is σ = 6543234. Its totient is φ = 6543232.

The previous prime is 6543223. The next prime is 6543259. The reversal of 6543233 is 3323456.

It is an a-pointer prime, because the next prime (6543259) can be obtained adding 6543233 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5798464 + 744769 = 2408^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 6543233 - 2⁶ = 6543169 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6543203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271616 + 3271617.

It is an arithmetic number, because the mean of its divisors is an integer number (3271617).

Almost surely, 2^6543233 is an apocalyptic number.

It is an amenable number.

6543233 is a deficient number, since it is larger than the sum of its proper divisors (1).

6543233 is an equidigital number, since it uses as much as digits as its factorization.

6543233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 26.

The square root of 6543233 is about 2557.9743939297. The cubic root of 6543233 is about 187.0384070883.

Adding to 6543233 its reverse (3323456), we get a palindrome (9866689).

It can be divided in two parts, 6543 and 233, that added together give a palindrome (6776).

The spelling of 6543233 in words is "six million, five hundred forty-three thousand, two hundred thirty-three".