26251855 has 16 divisors (see below), whose sum is σ = 37569024. Its totient is φ = 17218080.

The previous prime is 26251843. The next prime is 26251867. The reversal of 26251855 is 55815262.

It is an interprime number because it is at equal distance from previous prime (26251843) and next prime (26251867).

It is not a de Polignac number, because 26251855 - 2⁷ = 26251727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26251855.

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 15 ways as a sum of consecutive naturals, for example, 15501 + ... + 17110.

It is an arithmetic number, because the mean of its divisors is an integer number (2348064).

Almost surely, 2^26251855 is an apocalyptic number.

26251855 is a deficient number, since it is larger than the sum of its proper divisors (11317169).

26251855 is a wasteful number, since it uses less digits than its factorization.

26251855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32646.

The product of its digits is 24000, while the sum is 34.

The square root of 26251855 is about 5123.6564092453. The cubic root of 26251855 is about 297.2030980924.

The spelling of 26251855 in words is "twenty-six million, two hundred fifty-one thousand, eight hundred fifty-five".