3243143 has 2 divisors, whose sum is σ = 3243144. Its totient is φ = 3243142.

The previous prime is 3243133. The next prime is 3243169. The reversal of 3243143 is 3413423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3243143 - 2¹⁶ = 3177607 is a prime.

It is a super-3 number, since 3×3243143³ (a number of 21 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621571 + 1621572.

It is an arithmetic number, because the mean of its divisors is an integer number (1621572).

Almost surely, 2^3243143 is an apocalyptic number.

3243143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243143 is an equidigital number, since it uses as much as digits as its factorization.

3243143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 3243143 is about 1800.8728439287. The cubic root of 3243143 is about 148.0205565554.

Adding to 3243143 its reverse (3413423), we get a palindrome (6656566).

The spelling of 3243143 in words is "three million, two hundred forty-three thousand, one hundred forty-three".