26081045 has 4 divisors (see below), whose sum is σ = 31297260. Its totient is φ = 20864832.

The previous prime is 26081021. The next prime is 26081047. The reversal of 26081045 is 54018062.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5414929 + 20666116 = 2327^2 + 4546^2 .

It is a cyclic number.

It is not a de Polignac number, because 26081045 - 2¹⁸ = 25818901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26081047) 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, 2608100 + ... + 2608109.

It is an arithmetic number, because the mean of its divisors is an integer number (7824315).

Almost surely, 2^26081045 is an apocalyptic number.

It is an amenable number.

26081045 is a deficient number, since it is larger than the sum of its proper divisors (5216215).

26081045 is an equidigital number, since it uses as much as digits as its factorization.

26081045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216214.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 26081045 is about 5106.9604462929. The cubic root of 26081045 is about 296.5571022978.

The spelling of 26081045 in words is "twenty-six million, eighty-one thousand, forty-five".