26341649 has 2 divisors, whose sum is σ = 26341650. Its totient is φ = 26341648.

The previous prime is 26341643. The next prime is 26341673. The reversal of 26341649 is 94614362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26337424 + 4225 = 5132^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 26341649 - 2¹⁶ = 26276113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26341643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13170824 + 13170825.

It is an arithmetic number, because the mean of its divisors is an integer number (13170825).

Almost surely, 2^26341649 is an apocalyptic number.

It is an amenable number.

26341649 is a deficient number, since it is larger than the sum of its proper divisors (1).

26341649 is an equidigital number, since it uses as much as digits as its factorization.

26341649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 26341649 is about 5132.4116163846. The cubic root of 26341649 is about 297.5415717628.

The spelling of 26341649 in words is "twenty-six million, three hundred forty-one thousand, six hundred forty-nine".