10945609 has 4 divisors (see below), whose sum is σ = 11002516. Its totient is φ = 10888704.

The previous prime is 10945567. The next prime is 10945633. The reversal of 10945609 is 90654901.

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 4928400 + 6017209 = 2220^2 + 2453^2 .

It is a cyclic number.

It is not a de Polignac number, because 10945609 - 2⁷ = 10945481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10945679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28164 + ... + 28549.

It is an arithmetic number, because the mean of its divisors is an integer number (2750629).

Almost surely, 2^10945609 is an apocalyptic number.

It is an amenable number.

10945609 is a deficient number, since it is larger than the sum of its proper divisors (56907).

10945609 is an equidigital number, since it uses as much as digits as its factorization.

10945609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56906.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 10945609 is about 3308.4148772486. The cubic root of 10945609 is about 222.0308441304.

The spelling of 10945609 in words is "ten million, nine hundred forty-five thousand, six hundred nine".