10843561 has 4 divisors (see below), whose sum is σ = 10862932. Its totient is φ = 10824192.

The previous prime is 10843559. The next prime is 10843577. The reversal of 10843561 is 16534801.

10843561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16534801 = 197 ⋅83933.

It can be written as a sum of positive squares in 2 ways, for example, as 9803161 + 1040400 = 3131^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 10843561 - 2¹ = 10843559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10843541) 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 3 ways as a sum of consecutive naturals, for example, 8820 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (2715733).

Almost surely, 2^10843561 is an apocalyptic number.

It is an amenable number.

10843561 is a deficient number, since it is larger than the sum of its proper divisors (19371).

10843561 is an equidigital number, since it uses as much as digits as its factorization.

10843561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19370.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 10843561 is about 3292.9562705873. The cubic root of 10843561 is about 221.3386766161.

The spelling of 10843561 in words is "ten million, eight hundred forty-three thousand, five hundred sixty-one".