26643341 has 2 divisors, whose sum is σ = 26643342. Its totient is φ = 26643340.

The previous prime is 26643329. The next prime is 26643401. The reversal of 26643341 is 14334662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22762441 + 3880900 = 4771^2 + 1970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26643341 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26643041) 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, 13321670 + 13321671.

It is an arithmetic number, because the mean of its divisors is an integer number (13321671).

Almost surely, 2^26643341 is an apocalyptic number.

It is an amenable number.

26643341 is a deficient number, since it is larger than the sum of its proper divisors (1).

26643341 is an equidigital number, since it uses as much as digits as its factorization.

26643341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 26643341 is about 5161.7188028795. The cubic root of 26643341 is about 298.6731812317.

The spelling of 26643341 in words is "twenty-six million, six hundred forty-three thousand, three hundred forty-one".