10954561 has 4 divisors (see below), whose sum is σ = 11063124. Its totient is φ = 10846000.

The previous prime is 10954549. The next prime is 10954577. The reversal of 10954561 is 16545901.

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 6250000 + 4704561 = 2500^2 + 2169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10954561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10954261) 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, 54130 + ... + 54331.

It is an arithmetic number, because the mean of its divisors is an integer number (2765781).

Almost surely, 2^10954561 is an apocalyptic number.

It is an amenable number.

10954561 is a deficient number, since it is larger than the sum of its proper divisors (108563).

10954561 is a wasteful number, since it uses less digits than its factorization.

10954561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108562.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 10954561 is about 3309.7675144940. The cubic root of 10954561 is about 222.0913578486.

The spelling of 10954561 in words is "ten million, nine hundred fifty-four thousand, five hundred sixty-one".