3233561 has 2 divisors, whose sum is σ = 3233562. Its totient is φ = 3233560.

The previous prime is 3233533. The next prime is 3233563. The reversal of 3233561 is 1653323.

3233561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 118336 = 1765^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 3233561 - 2¹⁴ = 3217177 is a prime.

Together with 3233563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3233563) 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 as a sum of consecutive naturals, namely, 1616780 + 1616781.

It is an arithmetic number, because the mean of its divisors is an integer number (1616781).

Almost surely, 2^3233561 is an apocalyptic number.

It is an amenable number.

3233561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3233561 is an equidigital number, since it uses as much as digits as its factorization.

3233561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 23.

The square root of 3233561 is about 1798.2104993576. The cubic root of 3233561 is about 147.8746351338.

Adding to 3233561 its reverse (1653323), we get a palindrome (4886884).

The spelling of 3233561 in words is "three million, two hundred thirty-three thousand, five hundred sixty-one".