26004281 has 2 divisors, whose sum is σ = 26004282. Its totient is φ = 26004280.

The previous prime is 26004263. The next prime is 26004289. The reversal of 26004281 is 18240062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16883881 + 9120400 = 4109^2 + 3020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26004281 is a prime.

It is a super-2 number, since 2×26004281² = 1352445260653922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26004289) 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 as a sum of consecutive naturals, namely, 13002140 + 13002141.

It is an arithmetic number, because the mean of its divisors is an integer number (13002141).

Almost surely, 2^26004281 is an apocalyptic number.

It is an amenable number.

26004281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26004281 is an equidigital number, since it uses as much as digits as its factorization.

26004281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 26004281 is about 5099.4392829016. The cubic root of 26004281 is about 296.2658654941.

The spelling of 26004281 in words is "twenty-six million, four thousand, two hundred eighty-one".