26136697 has 2 divisors, whose sum is σ = 26136698. Its totient is φ = 26136696.

The previous prime is 26136673. The next prime is 26136703. The reversal of 26136697 is 79663162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22838841 + 3297856 = 4779^2 + 1816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26136697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26136637) 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, 13068348 + 13068349.

It is an arithmetic number, because the mean of its divisors is an integer number (13068349).

Almost surely, 2^26136697 is an apocalyptic number.

It is an amenable number.

26136697 is a deficient number, since it is larger than the sum of its proper divisors (1).

26136697 is an equidigital number, since it uses as much as digits as its factorization.

26136697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 26136697 is about 5112.4061849583. The cubic root of 26136697 is about 296.7678846362.

The spelling of 26136697 in words is "twenty-six million, one hundred thirty-six thousand, six hundred ninety-seven".