26564545 has 8 divisors (see below), whose sum is σ = 36431424. Its totient is φ = 18215664.

The previous prime is 26564543. The next prime is 26564567. The reversal of 26564545 is 54546562.

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 26564545 - 2¹ = 26564543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26564543) 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 7 ways as a sum of consecutive naturals, for example, 379459 + ... + 379528.

It is an arithmetic number, because the mean of its divisors is an integer number (4553928).

Almost surely, 2^26564545 is an apocalyptic number.

It is an amenable number.

26564545 is a deficient number, since it is larger than the sum of its proper divisors (9866879).

26564545 is an equidigital number, since it uses as much as digits as its factorization.

26564545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758999.

The product of its digits is 144000, while the sum is 37.

The square root of 26564545 is about 5154.0804223450. The cubic root of 26564545 is about 298.3784547991.

The spelling of 26564545 in words is "twenty-six million, five hundred sixty-four thousand, five hundred forty-five".