26561341 has 2 divisors, whose sum is σ = 26561342. Its totient is φ = 26561340.

The previous prime is 26561323. The next prime is 26561363. The reversal of 26561341 is 14316562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 1058841 = 5050^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 26561341 - 2¹⁵ = 26528573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26561641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13280670 + 13280671.

It is an arithmetic number, because the mean of its divisors is an integer number (13280671).

Almost surely, 2^26561341 is an apocalyptic number.

It is an amenable number.

26561341 is a deficient number, since it is larger than the sum of its proper divisors (1).

26561341 is an equidigital number, since it uses as much as digits as its factorization.

26561341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 26561341 is about 5153.7695912798. The cubic root of 26561341 is about 298.3664583202.

The spelling of 26561341 in words is "twenty-six million, five hundred sixty-one thousand, three hundred forty-one".