26385971 has 2 divisors, whose sum is σ = 26385972. Its totient is φ = 26385970.

The previous prime is 26385937. The next prime is 26385973. The reversal of 26385971 is 17958362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26385971 - 2¹⁰ = 26384947 is a prime.

It is a super-2 number, since 2×26385971² = 1392438931225682, which contains 22 as substring.

Together with 26385973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26385973) 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, 13192985 + 13192986.

It is an arithmetic number, because the mean of its divisors is an integer number (13192986).

Almost surely, 2^26385971 is an apocalyptic number.

26385971 is a deficient number, since it is larger than the sum of its proper divisors (1).

26385971 is an equidigital number, since it uses as much as digits as its factorization.

26385971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 26385971 is about 5136.7276548402. The cubic root of 26385971 is about 297.7083576769.

The spelling of 26385971 in words is "twenty-six million, three hundred eighty-five thousand, nine hundred seventy-one".