10803809 has 2 divisors, whose sum is σ = 10803810. Its totient is φ = 10803808.

The previous prime is 10803757. The next prime is 10803839. The reversal of 10803809 is 90830801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 3621409 = 2680^2 + 1903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10803809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10803839) 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 as a sum of consecutive naturals, namely, 5401904 + 5401905.

It is an arithmetic number, because the mean of its divisors is an integer number (5401905).

Almost surely, 2^10803809 is an apocalyptic number.

It is an amenable number.

10803809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10803809 is an equidigital number, since it uses as much as digits as its factorization.

10803809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10803809 is about 3286.9148148378. The cubic root of 10803809 is about 221.0678729307.

The spelling of 10803809 in words is "ten million, eight hundred three thousand, eight hundred nine".