26317265 has 16 divisors (see below), whose sum is σ = 34523328. Its totient is φ = 19141056.

The previous prime is 26317253. The next prime is 26317271. The reversal of 26317265 is 56271362.

It is a cyclic number.

It is not a de Polignac number, because 26317265 - 2¹⁸ = 26055121 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 1334 + ... + 7376.

It is an arithmetic number, because the mean of its divisors is an integer number (2157708).

Almost surely, 2^26317265 is an apocalyptic number.

It is an amenable number.

26317265 is a deficient number, since it is larger than the sum of its proper divisors (8206063).

26317265 is a wasteful number, since it uses less digits than its factorization.

26317265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128.

The product of its digits is 15120, while the sum is 32.

The square root of 26317265 is about 5130.0355749254. The cubic root of 26317265 is about 297.4497337572.

The spelling of 26317265 in words is "twenty-six million, three hundred seventeen thousand, two hundred sixty-five".