26080591 has 2 divisors, whose sum is σ = 26080592. Its totient is φ = 26080590.

The previous prime is 26080589. The next prime is 26080603. The reversal of 26080591 is 19508062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26080591 - 2¹ = 26080589 is a prime.

Together with 26080589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26080531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13040295 + 13040296.

It is an arithmetic number, because the mean of its divisors is an integer number (13040296).

Almost surely, 2^26080591 is an apocalyptic number.

26080591 is a deficient number, since it is larger than the sum of its proper divisors (1).

26080591 is an equidigital number, since it uses as much as digits as its factorization.

26080591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 26080591 is about 5106.9159969594. The cubic root of 26080591 is about 296.5553815372. Note that the first 3 decimals are identical.

The spelling of 26080591 in words is "twenty-six million, eighty thousand, five hundred ninety-one".