26027591 has 2 divisors, whose sum is σ = 26027592. Its totient is φ = 26027590.

The previous prime is 26027581. The next prime is 26027621. The reversal of 26027591 is 19572062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26027591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26027501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13013795 + 13013796.

It is an arithmetic number, because the mean of its divisors is an integer number (13013796).

Almost surely, 2^26027591 is an apocalyptic number.

26027591 is a deficient number, since it is larger than the sum of its proper divisors (1).

26027591 is an equidigital number, since it uses as much as digits as its factorization.

26027591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 26027591 is about 5101.7243163464. The cubic root of 26027591 is about 296.3543623955.

The spelling of 26027591 in words is "twenty-six million, twenty-seven thousand, five hundred ninety-one".