26105045 has 4 divisors (see below), whose sum is σ = 31326060. Its totient is φ = 20884032.

The previous prime is 26105039. The next prime is 26105059. The reversal of 26105045 is 54050162.

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 3845521 + 22259524 = 1961^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 26105045 - 2⁸ = 26104789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26105045.

It is a congruent number.

It is an unprimeable number.

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, 2610500 + ... + 2610509.

It is an arithmetic number, because the mean of its divisors is an integer number (7831515).

Almost surely, 2^26105045 is an apocalyptic number.

It is an amenable number.

26105045 is a deficient number, since it is larger than the sum of its proper divisors (5221015).

26105045 is an equidigital number, since it uses as much as digits as its factorization.

26105045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221014.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 26105045 is about 5109.3096402547. The cubic root of 26105045 is about 296.6480392013.

The spelling of 26105045 in words is "twenty-six million, one hundred five thousand, forty-five".