26255117 has 4 divisors (see below), whose sum is σ = 30005856. Its totient is φ = 22504380.

The previous prime is 26255113. The next prime is 26255137. The reversal of 26255117 is 71155262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71155262 = 2 ⋅35577631.

It is a cyclic number.

It is not a de Polignac number, because 26255117 - 2² = 26255113 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 26255117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26255111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875359 + ... + 1875372.

It is an arithmetic number, because the mean of its divisors is an integer number (7501464).

Almost surely, 2^26255117 is an apocalyptic number.

It is an amenable number.

26255117 is a deficient number, since it is larger than the sum of its proper divisors (3750739).

26255117 is an equidigital number, since it uses as much as digits as its factorization.

26255117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750738.

The product of its digits is 4200, while the sum is 29.

The square root of 26255117 is about 5123.9747267136. The cubic root of 26255117 is about 297.2154075255.

The spelling of 26255117 in words is "twenty-six million, two hundred fifty-five thousand, one hundred seventeen".