10946561 has 4 divisors (see below), whose sum is σ = 11242452. Its totient is φ = 10650672.

The previous prime is 10946557. The next prime is 10946581. The reversal of 10946561 is 16564901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5452225 + 5494336 = 2335^2 + 2344^2 .

It is not a de Polignac number, because 10946561 - 2² = 10946557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10946581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147890 + ... + 147963.

It is an arithmetic number, because the mean of its divisors is an integer number (2810613).

Almost surely, 2^10946561 is an apocalyptic number.

It is an amenable number.

10946561 is a deficient number, since it is larger than the sum of its proper divisors (295891).

10946561 is an equidigital number, since it uses as much as digits as its factorization.

10946561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295890.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 10946561 is about 3308.5587496673. The cubic root of 10946561 is about 222.0372810262.

The spelling of 10946561 in words is "ten million, nine hundred forty-six thousand, five hundred sixty-one".