10945409 has 2 divisors, whose sum is σ = 10945410. Its totient is φ = 10945408.

The previous prime is 10945397. The next prime is 10945411. The reversal of 10945409 is 90454901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 2879809 = 2840^2 + 1697^2 .

It is an emirp because it is prime and its reverse (90454901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10945409 - 2⁴ = 10945393 is a prime.

Together with 10945411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10945439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5472704 + 5472705.

It is an arithmetic number, because the mean of its divisors is an integer number (5472705).

Almost surely, 2^10945409 is an apocalyptic number.

It is an amenable number.

10945409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10945409 is an equidigital number, since it uses as much as digits as its factorization.

10945409 is an odious number, because the sum of its binary digits is odd.

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

The square root of 10945409 is about 3308.3846511553. The cubic root of 10945409 is about 222.0294917939.

The spelling of 10945409 in words is "ten million, nine hundred forty-five thousand, four hundred nine".