26208131 has 2 divisors, whose sum is σ = 26208132. Its totient is φ = 26208130.

The previous prime is 26208121. The next prime is 26208179. The reversal of 26208131 is 13180262.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26208131 is a prime.

It is a super-2 number, since 2×26208131² = 1373732261026322, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 26208097 and 26208106.

It is not a weakly prime, because it can be changed into another prime (26208121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13104065 + 13104066.

It is an arithmetic number, because the mean of its divisors is an integer number (13104066).

Almost surely, 2^26208131 is an apocalyptic number.

26208131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26208131 is an equidigital number, since it uses as much as digits as its factorization.

26208131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 26208131 is about 5119.3877563631. The cubic root of 26208131 is about 297.0380033523.

Adding to 26208131 its reverse (13180262), we get a palindrome (39388393).

The spelling of 26208131 in words is "twenty-six million, two hundred eight thousand, one hundred thirty-one".