26289671 has 2 divisors, whose sum is σ = 26289672. Its totient is φ = 26289670.

The previous prime is 26289649. The next prime is 26289677. The reversal of 26289671 is 17698262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26289671 - 2⁶ = 26289607 is a prime.

It is a super-2 number, since 2×26289671² = 1382293602576482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26289677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144835 + 13144836.

It is an arithmetic number, because the mean of its divisors is an integer number (13144836).

Almost surely, 2^26289671 is an apocalyptic number.

26289671 is a deficient number, since it is larger than the sum of its proper divisors (1).

26289671 is an equidigital number, since it uses as much as digits as its factorization.

26289671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 26289671 is about 5127.3454145396. The cubic root of 26289671 is about 297.3457374099.

The spelling of 26289671 in words is "twenty-six million, two hundred eighty-nine thousand, six hundred seventy-one".