26316449 has 2 divisors, whose sum is σ = 26316450. Its totient is φ = 26316448.

The previous prime is 26316443. The next prime is 26316481. The reversal of 26316449 is 94461362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 6451600 = 4457^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 26316449 - 2²⁰ = 25267873 is a prime.

It is not a weakly prime, because it can be changed into another prime (26316443) 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, 13158224 + 13158225.

It is an arithmetic number, because the mean of its divisors is an integer number (13158225).

Almost surely, 2^26316449 is an apocalyptic number.

It is an amenable number.

26316449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26316449 is an equidigital number, since it uses as much as digits as its factorization.

26316449 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 26316449 is about 5129.9560426967. The cubic root of 26316449 is about 297.4466594574.

The spelling of 26316449 in words is "twenty-six million, three hundred sixteen thousand, four hundred forty-nine".