26545985 has 8 divisors (see below), whose sum is σ = 32040360. Its totient is φ = 21113344.

The previous prime is 26545957. The next prime is 26545997. The reversal of 26545985 is 58954562.

It can be written as a sum of positive squares in 4 ways, for example, as 16516096 + 10029889 = 4064^2 + 3167^2 .

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 26545985 - 2¹⁰ = 26544961 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 14480 + ... + 16209.

It is an arithmetic number, because the mean of its divisors is an integer number (4005045).

Almost surely, 2^26545985 is an apocalyptic number.

It is an amenable number.

26545985 is a deficient number, since it is larger than the sum of its proper divisors (5494375).

26545985 is a wasteful number, since it uses less digits than its factorization.

26545985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30867.

The product of its digits is 432000, while the sum is 44.

The square root of 26545985 is about 5152.2795925687. The cubic root of 26545985 is about 298.3089486917.

The spelling of 26545985 in words is "twenty-six million, five hundred forty-five thousand, nine hundred eighty-five".