2443109 has 2 divisors, whose sum is σ = 2443110. Its totient is φ = 2443108.

The previous prime is 2443097. The next prime is 2443117. The reversal of 2443109 is 9013442.

2443109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 178084 = 1505^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443109 - 2⁴ = 2443093 is a prime.

It is equal to p₁₇₉₂₀₄ and since 2443109 and 179204 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443159) 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, 1221554 + 1221555.

It is an arithmetic number, because the mean of its divisors is an integer number (1221555).

2^2443109 is an apocalyptic number.

It is an amenable number.

2443109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443109 is an equidigital number, since it uses as much as digits as its factorization.

2443109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2443109 is about 1563.0447850270. The cubic root of 2443109 is about 134.6834650754.

It can be divided in two parts, 2443 and 109, that added together give a palindrome (2552).

The spelling of 2443109 in words is "two million, four hundred forty-three thousand, one hundred nine".