6925109 has 2 divisors, whose sum is σ = 6925110. Its totient is φ = 6925108.

The previous prime is 6925099. The next prime is 6925111. The reversal of 6925109 is 9015296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5880625 + 1044484 = 2425^2 + 1022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6925109 is a prime.

Together with 6925111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6925159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3462554 + 3462555.

It is an arithmetic number, because the mean of its divisors is an integer number (3462555).

Almost surely, 2^6925109 is an apocalyptic number.

It is an amenable number.

6925109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6925109 is an equidigital number, since it uses as much as digits as its factorization.

6925109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 6925109 is about 2631.5601836173. The cubic root of 6925109 is about 190.6084740309.

The spelling of 6925109 in words is "six million, nine hundred twenty-five thousand, one hundred nine".