26026831 has 4 divisors (see below), whose sum is σ = 26039200. Its totient is φ = 26014464.

The previous prime is 26026829. The next prime is 26026853. The reversal of 26026831 is 13862062.

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.

It is a cyclic number.

It is not a de Polignac number, because 26026831 - 2¹ = 26026829 is a prime.

It is a super-2 number, since 2×26026831² = 1354791863805122, which contains 22 as substring.

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 26026831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26026801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151 + ... + 7528.

It is an arithmetic number, because the mean of its divisors is an integer number (6509800).

Almost surely, 2^26026831 is an apocalyptic number.

26026831 is a deficient number, since it is larger than the sum of its proper divisors (12369).

26026831 is an equidigital number, since it uses as much as digits as its factorization.

26026831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 26026831 is about 5101.6498311821. The cubic root of 26026831 is about 296.3514778731.

Adding to 26026831 its reverse (13862062), we get a palindrome (39888893).

The spelling of 26026831 in words is "twenty-six million, twenty-six thousand, eight hundred thirty-one".