26647241 has 2 divisors, whose sum is σ = 26647242. Its totient is φ = 26647240.

The previous prime is 26647217. The next prime is 26647277. The reversal of 26647241 is 14274662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17472400 + 9174841 = 4180^2 + 3029^2 .

It is a cyclic number.

It is not a de Polignac number, because 26647241 - 2¹⁸ = 26385097 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26647198 and 26647207.

It is not a weakly prime, because it can be changed into another prime (26647541) 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, 13323620 + 13323621.

It is an arithmetic number, because the mean of its divisors is an integer number (13323621).

Almost surely, 2^26647241 is an apocalyptic number.

It is an amenable number.

26647241 is a deficient number, since it is larger than the sum of its proper divisors (1).

26647241 is an equidigital number, since it uses as much as digits as its factorization.

26647241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 26647241 is about 5162.0965701932. The cubic root of 26647241 is about 298.6877535855.

The spelling of 26647241 in words is "twenty-six million, six hundred forty-seven thousand, two hundred forty-one".