6560143 has 2 divisors, whose sum is σ = 6560144. Its totient is φ = 6560142.

The previous prime is 6560131. The next prime is 6560159. The reversal of 6560143 is 3410656.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6560143 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6560243) 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, 3280071 + 3280072.

It is an arithmetic number, because the mean of its divisors is an integer number (3280072).

Almost surely, 2^6560143 is an apocalyptic number.

6560143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6560143 is an equidigital number, since it uses as much as digits as its factorization.

6560143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6560143 is about 2561.2776108809. The cubic root of 6560143 is about 187.1993926825.

Adding to 6560143 its reverse (3410656), we get a palindrome (9970799).

The spelling of 6560143 in words is "six million, five hundred sixty thousand, one hundred forty-three".