26725117 has 4 divisors (see below), whose sum is σ = 26736220. Its totient is φ = 26714016.

The previous prime is 26725079. The next prime is 26725129. The reversal of 26725117 is 71152762.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71152762 = 2 ⋅35576381.

It can be written as a sum of positive squares in 2 ways, for example, as 16859236 + 9865881 = 4106^2 + 3141^2 .

It is a cyclic number.

It is not a de Polignac number, because 26725117 - 2¹¹ = 26723069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26725157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258 + ... + 7315.

It is an arithmetic number, because the mean of its divisors is an integer number (6684055).

Almost surely, 2^26725117 is an apocalyptic number.

It is an amenable number.

26725117 is a deficient number, since it is larger than the sum of its proper divisors (11103).

26725117 is an equidigital number, since it uses as much as digits as its factorization.

26725117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11102.

The product of its digits is 5880, while the sum is 31.

The square root of 26725117 is about 5169.6341263188. The cubic root of 26725117 is about 298.9784401482.

Adding to 26725117 its reverse (71152762), we get a palindrome (97877879).

The spelling of 26725117 in words is "twenty-six million, seven hundred twenty-five thousand, one hundred seventeen".