6256109 has 2 divisors, whose sum is σ = 6256110. Its totient is φ = 6256108.

The previous prime is 6256093. The next prime is 6256121. The reversal of 6256109 is 9016526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3204100 + 3052009 = 1790^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 6256109 - 2⁴ = 6256093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6256139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128054 + 3128055.

It is an arithmetic number, because the mean of its divisors is an integer number (3128055).

Almost surely, 2^6256109 is an apocalyptic number.

It is an amenable number.

6256109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256109 is an equidigital number, since it uses as much as digits as its factorization.

6256109 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 29.

The square root of 6256109 is about 2501.2215015868. The cubic root of 6256109 is about 184.2615707180.

The spelling of 6256109 in words is "six million, two hundred fifty-six thousand, one hundred nine".