9665041 has 2 divisors, whose sum is σ = 9665042. Its totient is φ = 9665040.

The previous prime is 9665039. The next prime is 9665063. The reversal of 9665041 is 1405669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 992016 = 2945^2 + 996^2 .

It is an emirp because it is prime and its reverse (1405669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9665041 - 2¹ = 9665039 is a prime.

Together with 9665039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9664994 and 9665012.

It is not a weakly prime, because it can be changed into another prime (9665141) 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, 4832520 + 4832521.

It is an arithmetic number, because the mean of its divisors is an integer number (4832521).

Almost surely, 2^9665041 is an apocalyptic number.

It is an amenable number.

9665041 is a deficient number, since it is larger than the sum of its proper divisors (1).

9665041 is an equidigital number, since it uses as much as digits as its factorization.

9665041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9665041 is about 3108.8649053955. The cubic root of 9665041 is about 213.0106087716.

The spelling of 9665041 in words is "nine million, six hundred sixty-five thousand, forty-one".