26297413 has 2 divisors, whose sum is σ = 26297414. Its totient is φ = 26297412.

The previous prime is 26297407. The next prime is 26297429. The reversal of 26297413 is 31479262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24275329 + 2022084 = 4927^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 26297413 - 2²¹ = 24200261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26297443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13148706 + 13148707.

It is an arithmetic number, because the mean of its divisors is an integer number (13148707).

Almost surely, 2^26297413 is an apocalyptic number.

It is an amenable number.

26297413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26297413 is an equidigital number, since it uses as much as digits as its factorization.

26297413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 26297413 is about 5128.1003305318. The cubic root of 26297413 is about 297.3749228234.

The spelling of 26297413 in words is "twenty-six million, two hundred ninety-seven thousand, four hundred thirteen".