26805461 has 2 divisors, whose sum is σ = 26805462. Its totient is φ = 26805460.

The previous prime is 26805407. The next prime is 26805473. The reversal of 26805461 is 16450862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17380561 + 9424900 = 4169^2 + 3070^2 .

It is a cyclic number.

It is not a de Polignac number, because 26805461 - 2⁶ = 26805397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26805061) 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, 13402730 + 13402731.

It is an arithmetic number, because the mean of its divisors is an integer number (13402731).

Almost surely, 2^26805461 is an apocalyptic number.

It is an amenable number.

26805461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26805461 is an equidigital number, since it uses as much as digits as its factorization.

26805461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 26805461 is about 5177.3990574419. The cubic root of 26805461 is about 299.2777477529.

The spelling of 26805461 in words is "twenty-six million, eight hundred five thousand, four hundred sixty-one".