26135269 has 2 divisors, whose sum is σ = 26135270. Its totient is φ = 26135268.

The previous prime is 26135237. The next prime is 26135287. The reversal of 26135269 is 96253162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18818244 + 7317025 = 4338^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 26135269 - 2⁵ = 26135237 is a prime.

It is a super-2 number, since 2×26135269² = 1366104571404722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26135299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13067634 + 13067635.

It is an arithmetic number, because the mean of its divisors is an integer number (13067635).

Almost surely, 2^26135269 is an apocalyptic number.

It is an amenable number.

26135269 is a deficient number, since it is larger than the sum of its proper divisors (1).

26135269 is an equidigital number, since it uses as much as digits as its factorization.

26135269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 26135269 is about 5112.2665227862. The cubic root of 26135269 is about 296.7624798183.

The spelling of 26135269 in words is "twenty-six million, one hundred thirty-five thousand, two hundred sixty-nine".