6435109 has 2 divisors, whose sum is σ = 6435110. Its totient is φ = 6435108.

The previous prime is 6435097. The next prime is 6435119. The reversal of 6435109 is 9015346.

6435109 is digitally balanced in base 3, 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., 4318084 + 2117025 = 2078^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 6435109 - 2¹¹ = 6433061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6435119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217554 + 3217555.

It is an arithmetic number, because the mean of its divisors is an integer number (3217555).

Almost surely, 2^6435109 is an apocalyptic number.

It is an amenable number.

6435109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6435109 is an equidigital number, since it uses as much as digits as its factorization.

6435109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6435109 is about 2536.7516630526. The cubic root of 6435109 is about 186.0024376294.

The spelling of 6435109 in words is "six million, four hundred thirty-five thousand, one hundred nine".