26600081 has 2 divisors, whose sum is σ = 26600082. Its totient is φ = 26600080.

The previous prime is 26600069. The next prime is 26600099. The reversal of 26600081 is 18000662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24910081 + 1690000 = 4991^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 26600081 - 2⁶ = 26600017 is a prime.

It is a super-2 number, since 2×26600081² = 1415128618413122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26600051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13300040 + 13300041.

It is an arithmetic number, because the mean of its divisors is an integer number (13300041).

Almost surely, 2^26600081 is an apocalyptic number.

It is an amenable number.

26600081 is a deficient number, since it is larger than the sum of its proper divisors (1).

26600081 is an equidigital number, since it uses as much as digits as its factorization.

26600081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 26600081 is about 5157.5266358983. The cubic root of 26600081 is about 298.5114447454.

The spelling of 26600081 in words is "twenty-six million, six hundred thousand, eighty-one".