9509641 has 2 divisors, whose sum is σ = 9509642. Its totient is φ = 9509640.

The previous prime is 9509611. The next prime is 9509677. The reversal of 9509641 is 1469059.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4822416 + 4687225 = 2196^2 + 2165^2 .

It is a cyclic number.

It is not a de Polignac number, because 9509641 - 2⁵ = 9509609 is a prime.

9509641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9509597 and 9509606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9509611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4754820 + 4754821.

It is an arithmetic number, because the mean of its divisors is an integer number (4754821).

Almost surely, 2^9509641 is an apocalyptic number.

It is an amenable number.

9509641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9509641 is an equidigital number, since it uses as much as digits as its factorization.

9509641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 9509641 is about 3083.7705816095. The cubic root of 9509641 is about 211.8627998591.

The spelling of 9509641 in words is "nine million, five hundred nine thousand, six hundred forty-one".