9681543 has 6 divisors (see below), whose sum is σ = 13984464. Its totient is φ = 6454356.

The previous prime is 9681533. The next prime is 9681547. The reversal of 9681543 is 3451869.

It is not a de Polignac number, because 9681543 - 2¹³ = 9673351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9681498 and 9681507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537855 + ... + 537872.

It is an arithmetic number, because the mean of its divisors is an integer number (2330744).

Almost surely, 2^9681543 is an apocalyptic number.

9681543 is a deficient number, since it is larger than the sum of its proper divisors (4302921).

9681543 is a wasteful number, since it uses less digits than its factorization.

9681543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075733 (or 1075730 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 9681543 is about 3111.5177968316. The cubic root of 9681543 is about 213.1317706102.

The spelling of 9681543 in words is "nine million, six hundred eighty-one thousand, five hundred forty-three".