26258069 has 2 divisors, whose sum is σ = 26258070. Its totient is φ = 26258068.

The previous prime is 26258053. The next prime is 26258131. The reversal of 26258069 is 96085262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25633969 + 624100 = 5063^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 26258069 - 2⁴ = 26258053 is a prime.

It is a super-3 number, since 3×26258069³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26258039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13129034 + 13129035.

It is an arithmetic number, because the mean of its divisors is an integer number (13129035).

Almost surely, 2^26258069 is an apocalyptic number.

It is an amenable number.

26258069 is a deficient number, since it is larger than the sum of its proper divisors (1).

26258069 is an equidigital number, since it uses as much as digits as its factorization.

26258069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 26258069 is about 5124.2627762440. The cubic root of 26258069 is about 297.2265462685.

The spelling of 26258069 in words is "twenty-six million, two hundred fifty-eight thousand, sixty-nine".