26426297 has 2 divisors, whose sum is σ = 26426298. Its totient is φ = 26426296.

The previous prime is 26426261. The next prime is 26426299. The reversal of 26426297 is 79262462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 5669161 = 4556^2 + 2381^2 .

It is a cyclic number.

It is not a de Polignac number, because 26426297 - 2¹⁴ = 26409913 is a prime.

Together with 26426299, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26426297.

It is not a weakly prime, because it can be changed into another prime (26426299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13213148 + 13213149.

It is an arithmetic number, because the mean of its divisors is an integer number (13213149).

Almost surely, 2^26426297 is an apocalyptic number.

It is an amenable number.

26426297 is a deficient number, since it is larger than the sum of its proper divisors (1).

26426297 is an equidigital number, since it uses as much as digits as its factorization.

26426297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 26426297 is about 5140.6514178652. The cubic root of 26426297 is about 297.8599442457.

It can be divided in two parts, 2642629 and 7, that multiplied together give a triangular number (18498403 = T₆₀₈₂).

The spelling of 26426297 in words is "twenty-six million, four hundred twenty-six thousand, two hundred ninety-seven".