26366897 has 2 divisors, whose sum is σ = 26366898. Its totient is φ = 26366896.

The previous prime is 26366849. The next prime is 26366909. The reversal of 26366897 is 79866362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25847056 + 519841 = 5084^2 + 721^2 .

It is a cyclic number.

It is not a de Polignac number, because 26366897 - 2¹⁰ = 26365873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26366497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13183448 + 13183449.

It is an arithmetic number, because the mean of its divisors is an integer number (13183449).

Almost surely, 2^26366897 is an apocalyptic number.

It is an amenable number.

26366897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26366897 is an equidigital number, since it uses as much as digits as its factorization.

26366897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 26366897 is about 5134.8706897058. The cubic root of 26366897 is about 297.6366041674.

The spelling of 26366897 in words is "twenty-six million, three hundred sixty-six thousand, eight hundred ninety-seven".