9665143 has 2 divisors, whose sum is σ = 9665144. Its totient is φ = 9665142.

The previous prime is 9665141. The next prime is 9665189. The reversal of 9665143 is 3415669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9665143 - 2¹ = 9665141 is a prime.

Together with 9665141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9665099 and 9665108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9665141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832571 + 4832572.

It is an arithmetic number, because the mean of its divisors is an integer number (4832572).

Almost surely, 2^9665143 is an apocalyptic number.

9665143 is a deficient number, since it is larger than the sum of its proper divisors (1).

9665143 is an equidigital number, since it uses as much as digits as its factorization.

9665143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 9665143 is about 3108.8813100535. The cubic root of 9665143 is about 213.0113581048.

The spelling of 9665143 in words is "nine million, six hundred sixty-five thousand, one hundred forty-three".