9665141 has 2 divisors, whose sum is σ = 9665142. Its totient is φ = 9665140.

The previous prime is 9665137. The next prime is 9665143. The reversal of 9665141 is 1415669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 184900 = 3079^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 9665141 - 2² = 9665137 is a prime.

Together with 9665143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9665098 and 9665107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9665143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832570 + 4832571.

It is an arithmetic number, because the mean of its divisors is an integer number (4832571).

Almost surely, 2^9665141 is an apocalyptic number.

It is an amenable number.

9665141 is a deficient number, since it is larger than the sum of its proper divisors (1).

9665141 is an equidigital number, since it uses as much as digits as its factorization.

9665141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 9665141 is about 3108.8809883944. The cubic root of 9665141 is about 213.0113434120.

The spelling of 9665141 in words is "nine million, six hundred sixty-five thousand, one hundred forty-one".