26256655 has 4 divisors (see below), whose sum is σ = 31507992. Its totient is φ = 21005320.

The previous prime is 26256611. The next prime is 26256661. The reversal of 26256655 is 55665262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55665262 = 2 ⋅27832631.

It is not a de Polignac number, because 26256655 - 2²³ = 17868047 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2625661 + ... + 2625670.

It is an arithmetic number, because the mean of its divisors is an integer number (7876998).

Almost surely, 2^26256655 is an apocalyptic number.

26256655 is a deficient number, since it is larger than the sum of its proper divisors (5251337).

26256655 is an equidigital number, since it uses as much as digits as its factorization.

26256655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251336.

The product of its digits is 108000, while the sum is 37.

The square root of 26256655 is about 5124.1248033201. The cubic root of 26256655 is about 297.2212109450.

The spelling of 26256655 in words is "twenty-six million, two hundred fifty-six thousand, six hundred fifty-five".