26213117 has 4 divisors (see below), whose sum is σ = 29957856. Its totient is φ = 22468380.

The previous prime is 26213113. The next prime is 26213119. The reversal of 26213117 is 71131262.

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.

It is a cyclic number.

It is not a de Polignac number, because 26213117 - 2² = 26213113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26213092 and 26213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26213113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872359 + ... + 1872372.

It is an arithmetic number, because the mean of its divisors is an integer number (7489464).

Almost surely, 2^26213117 is an apocalyptic number.

It is an amenable number.

26213117 is a deficient number, since it is larger than the sum of its proper divisors (3744739).

26213117 is an equidigital number, since it uses as much as digits as its factorization.

26213117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744738.

The product of its digits is 504, while the sum is 23.

The square root of 26213117 is about 5119.8747054982. The cubic root of 26213117 is about 297.0568389518.

Adding to 26213117 its reverse (71131262), we get a palindrome (97344379).

The spelling of 26213117 in words is "twenty-six million, two hundred thirteen thousand, one hundred seventeen".