9653641 has 2 divisors, whose sum is σ = 9653642. Its totient is φ = 9653640.

The previous prime is 9653621. The next prime is 9653663. The reversal of 9653641 is 1463569.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 1836025 = 2796^2 + 1355^2 .

It is an emirp because it is prime and its reverse (1463569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9653641 - 2⁷ = 9653513 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 9653597 and 9653606.

It is not a weakly prime, because it can be changed into another prime (9653621) 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, 4826820 + 4826821.

It is an arithmetic number, because the mean of its divisors is an integer number (4826821).

Almost surely, 2^9653641 is an apocalyptic number.

It is an amenable number.

9653641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9653641 is an equidigital number, since it uses as much as digits as its factorization.

9653641 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 9653641 is about 3107.0308978187. The cubic root of 9653641 is about 212.9268265332.

The spelling of 9653641 in words is "nine million, six hundred fifty-three thousand, six hundred forty-one".