26254591 has 4 divisors (see below), whose sum is σ = 28641384. Its totient is φ = 23867800.

The previous prime is 26254577. The next prime is 26254601. The reversal of 26254591 is 19545262.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26254591 - 2⁷ = 26254463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26254691) 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, 1193380 + ... + 1193401.

It is an arithmetic number, because the mean of its divisors is an integer number (7160346).

Almost surely, 2^26254591 is an apocalyptic number.

26254591 is a deficient number, since it is larger than the sum of its proper divisors (2386793).

26254591 is a wasteful number, since it uses less digits than its factorization.

26254591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386792.

The product of its digits is 21600, while the sum is 34.

The square root of 26254591 is about 5123.9233991152. The cubic root of 26254591 is about 297.2134226889.

The spelling of 26254591 in words is "twenty-six million, two hundred fifty-four thousand, five hundred ninety-one".