26090297 has 2 divisors, whose sum is σ = 26090298. Its totient is φ = 26090296.

The previous prime is 26090279. The next prime is 26090327. The reversal of 26090297 is 79209062.

Together with previous prime (26090279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24492601 + 1597696 = 4949^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 26090297 - 2¹⁴ = 26073913 is a prime.

It is a Chen prime.

It is equal to p_1629809 and since 26090297 and 1629809 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26090237) 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, 13045148 + 13045149.

It is an arithmetic number, because the mean of its divisors is an integer number (13045149).

Almost surely, 2^26090297 is an apocalyptic number.

It is an amenable number.

26090297 is a deficient number, since it is larger than the sum of its proper divisors (1).

26090297 is an equidigital number, since it uses as much as digits as its factorization.

26090297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 26090297 is about 5107.8661885370. The cubic root of 26090297 is about 296.5921650792.

The spelling of 26090297 in words is "twenty-six million, ninety thousand, two hundred ninety-seven".