26385545 has 4 divisors (see below), whose sum is σ = 31662660. Its totient is φ = 21108432.

The previous prime is 26385493. The next prime is 26385553. The reversal of 26385545 is 54558362.

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 20830096 + 5555449 = 4564^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 26385545 - 2¹² = 26381449 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26385499 and 26385508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638550 + ... + 2638559.

It is an arithmetic number, because the mean of its divisors is an integer number (7915665).

Almost surely, 2^26385545 is an apocalyptic number.

It is an amenable number.

26385545 is a deficient number, since it is larger than the sum of its proper divisors (5277115).

26385545 is an equidigital number, since it uses as much as digits as its factorization.

26385545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277114.

The product of its digits is 144000, while the sum is 38.

The square root of 26385545 is about 5136.6861885850. The cubic root of 26385545 is about 297.7067555068.

The spelling of 26385545 in words is "twenty-six million, three hundred eighty-five thousand, five hundred forty-five".