3243563 has 4 divisors (see below), whose sum is σ = 3355440. Its totient is φ = 3131688.

The previous prime is 3243523. The next prime is 3243587. The reversal of 3243563 is 3653423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3243563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55895 + ... + 55952.

It is an arithmetic number, because the mean of its divisors is an integer number (838860).

Almost surely, 2^3243563 is an apocalyptic number.

3243563 is a deficient number, since it is larger than the sum of its proper divisors (111877).

3243563 is a wasteful number, since it uses less digits than its factorization.

3243563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111876.

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

The square root of 3243563 is about 1800.9894502745. The cubic root of 3243563 is about 148.0269460311.

Adding to 3243563 its reverse (3653423), we get a palindrome (6896986).

The spelling of 3243563 in words is "three million, two hundred forty-three thousand, five hundred sixty-three".