26045191 has 8 divisors (see below), whose sum is σ = 26853120. Its totient is φ = 25247928.

The previous prime is 26045171. The next prime is 26045197. The reversal of 26045191 is 19154062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26045191 - 2¹⁵ = 26012423 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 (26045197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2440 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (3356640).

Almost surely, 2^26045191 is an apocalyptic number.

26045191 is a deficient number, since it is larger than the sum of its proper divisors (807929).

26045191 is a wasteful number, since it uses less digits than its factorization.

26045191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 26045191 is about 5103.4489318499. The cubic root of 26045191 is about 296.4211461605.

It can be divided in two parts, 260 and 45191, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 26045191 in words is "twenty-six million, forty-five thousand, one hundred ninety-one".