26322491 has 16 divisors (see below), whose sum is σ = 29428224. Its totient is φ = 23389344.

The previous prime is 26322481. The next prime is 26322497. The reversal of 26322491 is 19422362.

It is a cyclic number.

It is not a de Polignac number, because 26322491 - 2⁶ = 26322427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26322497) 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 15 ways as a sum of consecutive naturals, for example, 40616 + ... + 41258.

It is an arithmetic number, because the mean of its divisors is an integer number (1839264).

Almost surely, 2^26322491 is an apocalyptic number.

26322491 is a deficient number, since it is larger than the sum of its proper divisors (3105733).

26322491 is a wasteful number, since it uses less digits than its factorization.

26322491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its digits is 5184, while the sum is 29.

The square root of 26322491 is about 5130.5449028344. The cubic root of 26322491 is about 297.4694213327.

The spelling of 26322491 in words is "twenty-six million, three hundred twenty-two thousand, four hundred ninety-one".