26258279 has 2 divisors, whose sum is σ = 26258280. Its totient is φ = 26258278.

The previous prime is 26258269. The next prime is 26258299. The reversal of 26258279 is 97285262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26258279 - 2⁴ = 26258263 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26258269) 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, 13129139 + 13129140.

It is an arithmetic number, because the mean of its divisors is an integer number (13129140).

Almost surely, 2^26258279 is an apocalyptic number.

26258279 is a deficient number, since it is larger than the sum of its proper divisors (1).

26258279 is an equidigital number, since it uses as much as digits as its factorization.

26258279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 26258279 is about 5124.2832669555. The cubic root of 26258279 is about 297.2273386269.

The spelling of 26258279 in words is "twenty-six million, two hundred fifty-eight thousand, two hundred seventy-nine".