6925889 has 2 divisors, whose sum is σ = 6925890. Its totient is φ = 6925888.

The previous prime is 6925847. The next prime is 6925901. The reversal of 6925889 is 9885296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6589489 + 336400 = 2567^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 6925889 - 2¹² = 6921793 is a prime.

It is not a weakly prime, because it can be changed into another prime (6925819) 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, 3462944 + 3462945.

It is an arithmetic number, because the mean of its divisors is an integer number (3462945).

Almost surely, 2^6925889 is an apocalyptic number.

It is an amenable number.

6925889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6925889 is an equidigital number, since it uses as much as digits as its factorization.

6925889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 47.

The square root of 6925889 is about 2631.7083805012. The cubic root of 6925889 is about 190.6156300689.

The spelling of 6925889 in words is "six million, nine hundred twenty-five thousand, eight hundred eighty-nine".