2803109 has 2 divisors, whose sum is σ = 2803110. Its totient is φ = 2803108.

The previous prime is 2803103. The next prime is 2803121. The reversal of 2803109 is 9013082.

2803109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 172225 = 1622^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2803109 - 2⁸ = 2802853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2803103) 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, 1401554 + 1401555.

It is an arithmetic number, because the mean of its divisors is an integer number (1401555).

2^2803109 is an apocalyptic number.

It is an amenable number.

2803109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2803109 is an equidigital number, since it uses as much as digits as its factorization.

2803109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2803109 is about 1674.2487867698. The cubic root of 2803109 is about 140.9981221352.

The spelling of 2803109 in words is "two million, eight hundred three thousand, one hundred nine".