6425911 has 2 divisors, whose sum is σ = 6425912. Its totient is φ = 6425910.

The previous prime is 6425899. The next prime is 6425917. The reversal of 6425911 is 1195246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6425911 - 2¹¹ = 6423863 is a prime.

6425911 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6425911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6425917) 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, 3212955 + 3212956.

It is an arithmetic number, because the mean of its divisors is an integer number (3212956).

Almost surely, 2^6425911 is an apocalyptic number.

6425911 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425911 is an equidigital number, since it uses as much as digits as its factorization.

6425911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 6425911 is about 2534.9380663046. The cubic root of 6425911 is about 185.9137747333.

The spelling of 6425911 in words is "six million, four hundred twenty-five thousand, nine hundred eleven".