26816131 has 2 divisors, whose sum is σ = 26816132. Its totient is φ = 26816130.

The previous prime is 26816099. The next prime is 26816161. The reversal of 26816131 is 13161862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26816131 - 2⁵ = 26816099 is a prime.

It is a super-2 number, since 2×26816131² = 1438209763618322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26816131.

It is not a weakly prime, because it can be changed into another prime (26816161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13408065 + 13408066.

It is an arithmetic number, because the mean of its divisors is an integer number (13408066).

Almost surely, 2^26816131 is an apocalyptic number.

26816131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26816131 is an equidigital number, since it uses as much as digits as its factorization.

26816131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 26816131 is about 5178.4293950965. The cubic root of 26816131 is about 299.3174519754.

Adding to 26816131 its reverse (13161862), we get a palindrome (39977993).

The spelling of 26816131 in words is "twenty-six million, eight hundred sixteen thousand, one hundred thirty-one".