26711261 has 2 divisors, whose sum is σ = 26711262. Its totient is φ = 26711260.

The previous prime is 26711249. The next prime is 26711281. The reversal of 26711261 is 16211762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 1651225 = 5006^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 26711261 - 2⁶ = 26711197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26711261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26711221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13355630 + 13355631.

It is an arithmetic number, because the mean of its divisors is an integer number (13355631).

Almost surely, 2^26711261 is an apocalyptic number.

It is an amenable number.

26711261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26711261 is an equidigital number, since it uses as much as digits as its factorization.

26711261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 26711261 is about 5168.2938190471. The cubic root of 26711261 is about 298.9267614045.

The spelling of 26711261 in words is "twenty-six million, seven hundred eleven thousand, two hundred sixty-one".