26560949 has 2 divisors, whose sum is σ = 26560950. Its totient is φ = 26560948.

The previous prime is 26560943. The next prime is 26560967. The reversal of 26560949 is 94906562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 1380625 = 5018^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 26560949 - 2¹² = 26556853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26560943) 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, 13280474 + 13280475.

It is an arithmetic number, because the mean of its divisors is an integer number (13280475).

Almost surely, 2^26560949 is an apocalyptic number.

It is an amenable number.

26560949 is a deficient number, since it is larger than the sum of its proper divisors (1).

26560949 is an equidigital number, since it uses as much as digits as its factorization.

26560949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 26560949 is about 5153.7315607237. The cubic root of 26560949 is about 298.3649905200.

The spelling of 26560949 in words is "twenty-six million, five hundred sixty thousand, nine hundred forty-nine".