26530769 has 2 divisors, whose sum is σ = 26530770. Its totient is φ = 26530768.

The previous prime is 26530759. The next prime is 26530771. The reversal of 26530769 is 96703562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 8340544 = 4265^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 26530769 - 2²⁴ = 9753553 is a prime.

It is a super-2 number, since 2×26530769² = 1407763407462722, which contains 22 as substring.

Together with 26530771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26530759) 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, 13265384 + 13265385.

It is an arithmetic number, because the mean of its divisors is an integer number (13265385).

Almost surely, 2^26530769 is an apocalyptic number.

It is an amenable number.

26530769 is a deficient number, since it is larger than the sum of its proper divisors (1).

26530769 is an equidigital number, since it uses as much as digits as its factorization.

26530769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 26530769 is about 5150.8027529697. The cubic root of 26530769 is about 298.2519414958.

The spelling of 26530769 in words is "twenty-six million, five hundred thirty thousand, seven hundred sixty-nine".