26491241 has 4 divisors (see below), whose sum is σ = 30275712. Its totient is φ = 22706772.

The previous prime is 26491229. The next prime is 26491243. The reversal of 26491241 is 14219462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14219462 = 2 ⋅7109731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26491241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26491243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892225 + ... + 1892238.

It is an arithmetic number, because the mean of its divisors is an integer number (7568928).

Almost surely, 2^26491241 is an apocalyptic number.

It is an amenable number.

26491241 is a deficient number, since it is larger than the sum of its proper divisors (3784471).

26491241 is an equidigital number, since it uses as much as digits as its factorization.

26491241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784470.

The product of its digits is 3456, while the sum is 29.

The square root of 26491241 is about 5146.9642508959. The cubic root of 26491241 is about 298.1037467397.

The spelling of 26491241 in words is "twenty-six million, four hundred ninety-one thousand, two hundred forty-one".