26516297 has 2 divisors, whose sum is σ = 26516298. Its totient is φ = 26516296.

The previous prime is 26516279. The next prime is 26516317. The reversal of 26516297 is 79261562.

It is a happy number.

Together with previous prime (26516279) 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., 26512201 + 4096 = 5149^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 26516297 - 2⁶ = 26516233 is a prime.

It is a super-2 number, since 2×26516297² = 1406228013184418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26516297.

It is not a weakly prime, because it can be changed into another prime (26516257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13258148 + 13258149.

It is an arithmetic number, because the mean of its divisors is an integer number (13258149).

Almost surely, 2^26516297 is an apocalyptic number.

It is an amenable number.

26516297 is a deficient number, since it is larger than the sum of its proper divisors (1).

26516297 is an equidigital number, since it uses as much as digits as its factorization.

26516297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 26516297 is about 5149.3977317741. The cubic root of 26516297 is about 298.1977014905.

The spelling of 26516297 in words is "twenty-six million, five hundred sixteen thousand, two hundred ninety-seven".