26585491 has 4 divisors (see below), whose sum is σ = 26609184. Its totient is φ = 26561800.

The previous prime is 26585483. The next prime is 26585497. The reversal of 26585491 is 19458562.

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

It is a cyclic number.

It is not a de Polignac number, because 26585491 - 2³ = 26585483 is a prime.

It is a super-2 number, since 2×26585491² = 1413576663422162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26585497) 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 3 ways as a sum of consecutive naturals, for example, 10075 + ... + 12436.

It is an arithmetic number, because the mean of its divisors is an integer number (6652296).

Almost surely, 2^26585491 is an apocalyptic number.

26585491 is a deficient number, since it is larger than the sum of its proper divisors (23693).

26585491 is a wasteful number, since it uses less digits than its factorization.

26585491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23692.

The product of its digits is 86400, while the sum is 40.

The square root of 26585491 is about 5156.1120042140. The cubic root of 26585491 is about 298.4568574617.

The spelling of 26585491 in words is "twenty-six million, five hundred eighty-five thousand, four hundred ninety-one".