26801131 has 4 divisors (see below), whose sum is σ = 30629872. Its totient is φ = 22972392.

The previous prime is 26801123. The next prime is 26801149. The reversal of 26801131 is 13110862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26801131 - 2³ = 26801123 is a prime.

It is a super-2 number, since 2×26801131² = 1436601245758322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26801101) 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, 1914360 + ... + 1914373.

It is an arithmetic number, because the mean of its divisors is an integer number (7657468).

Almost surely, 2^26801131 is an apocalyptic number.

26801131 is a deficient number, since it is larger than the sum of its proper divisors (3828741).

26801131 is an equidigital number, since it uses as much as digits as its factorization.

26801131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828740.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 26801131 is about 5176.9808769204. The cubic root of 26801131 is about 299.2616323498.

Adding to 26801131 its reverse (13110862), we get a palindrome (39911993).

The spelling of 26801131 in words is "twenty-six million, eight hundred one thousand, one hundred thirty-one".