26569045 has 16 divisors (see below), whose sum is σ = 33924528. Its totient is φ = 19906560.

The previous prime is 26569033. The next prime is 26569069. The reversal of 26569045 is 54096562.

It can be written as a sum of positive squares in 8 ways, for example, as 7828804 + 18740241 = 2798^2 + 4329^2 .

It is not a de Polignac number, because 26569045 - 2⁵ = 26569013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26568995 and 26569013.

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 15 ways as a sum of consecutive naturals, for example, 19837 + ... + 21133.

It is an arithmetic number, because the mean of its divisors is an integer number (2120283).

Almost surely, 2^26569045 is an apocalyptic number.

It is an amenable number.

26569045 is a deficient number, since it is larger than the sum of its proper divisors (7355483).

26569045 is a wasteful number, since it uses less digits than its factorization.

26569045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 26569045 is about 5154.5169511798. The cubic root of 26569045 is about 298.3953021575.

The spelling of 26569045 in words is "twenty-six million, five hundred sixty-nine thousand, forty-five".