26093491 has 2 divisors, whose sum is σ = 26093492. Its totient is φ = 26093490.

The previous prime is 26093443. The next prime is 26093513. The reversal of 26093491 is 19439062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26093491 - 2²¹ = 23996339 is a prime.

It is not a weakly prime, because it can be changed into another prime (26093411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13046745 + 13046746.

It is an arithmetic number, because the mean of its divisors is an integer number (13046746).

Almost surely, 2^26093491 is an apocalyptic number.

26093491 is a deficient number, since it is larger than the sum of its proper divisors (1).

26093491 is an equidigital number, since it uses as much as digits as its factorization.

26093491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 26093491 is about 5108.1788339877. The cubic root of 26093491 is about 296.6042676209.

It can be divided in two parts, 2609 and 3491, that multiplied together give a palindrome (9108019).

The spelling of 26093491 in words is "twenty-six million, ninety-three thousand, four hundred ninety-one".