9659541 has 4 divisors (see below), whose sum is σ = 12879392. Its totient is φ = 6439692.

The previous prime is 9659537. The next prime is 9659549. The reversal of 9659541 is 1459569.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9659541 - 2² = 9659537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9659541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9659549) 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 in 3 ways as a sum of consecutive naturals, for example, 1609921 + ... + 1609926.

It is an arithmetic number, because the mean of its divisors is an integer number (3219848).

Almost surely, 2^9659541 is an apocalyptic number.

It is an amenable number.

9659541 is a deficient number, since it is larger than the sum of its proper divisors (3219851).

9659541 is a wasteful number, since it uses less digits than its factorization.

9659541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219850.

The product of its digits is 48600, while the sum is 39.

The square root of 9659541 is about 3107.9802122922. The cubic root of 9659541 is about 212.9701957460.

The spelling of 9659541 in words is "nine million, six hundred fifty-nine thousand, five hundred forty-one".