26026561 has 8 divisors (see below), whose sum is σ = 29887200. Its totient is φ = 22415040.

The previous prime is 26026549. The next prime is 26026571. The reversal of 26026561 is 16562062.

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 26026561 - 2⁵ = 26026529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26026531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62056 + ... + 62473.

It is an arithmetic number, because the mean of its divisors is an integer number (3735900).

Almost surely, 2^26026561 is an apocalyptic number.

It is an amenable number.

26026561 is a deficient number, since it is larger than the sum of its proper divisors (3860639).

26026561 is a wasteful number, since it uses less digits than its factorization.

26026561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124559.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 26026561 is about 5101.6233690856. The cubic root of 26026561 is about 296.3504530951.

The spelling of 26026561 in words is "twenty-six million, twenty-six thousand, five hundred sixty-one".