26068261 has 2 divisors, whose sum is σ = 26068262. Its totient is φ = 26068260.

The previous prime is 26068249. The next prime is 26068267. The reversal of 26068261 is 16286062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 2117025 = 4894^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 26068261 - 2²³ = 17679653 is a prime.

It is a super-3 number, since 3×26068261³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26068267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13034130 + 13034131.

It is an arithmetic number, because the mean of its divisors is an integer number (13034131).

Almost surely, 2^26068261 is an apocalyptic number.

It is an amenable number.

26068261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26068261 is an equidigital number, since it uses as much as digits as its factorization.

26068261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 26068261 is about 5105.7086677561. The cubic root of 26068261 is about 296.5086404666.

The spelling of 26068261 in words is "twenty-six million, sixty-eight thousand, two hundred sixty-one".