26065931 has 2 divisors, whose sum is σ = 26065932. Its totient is φ = 26065930.

The previous prime is 26065927. The next prime is 26065957. The reversal of 26065931 is 13956062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26065931 - 2² = 26065927 is a prime.

It is a super-2 number, since 2×26065931² = 1358865517793522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26065031) 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, 13032965 + 13032966.

It is an arithmetic number, because the mean of its divisors is an integer number (13032966).

Almost surely, 2^26065931 is an apocalyptic number.

26065931 is a deficient number, since it is larger than the sum of its proper divisors (1).

26065931 is an equidigital number, since it uses as much as digits as its factorization.

26065931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 26065931 is about 5105.4804866927. The cubic root of 26065931 is about 296.4998061513.

The spelling of 26065931 in words is "twenty-six million, sixty-five thousand, nine hundred thirty-one".