26641471 has 2 divisors, whose sum is σ = 26641472. Its totient is φ = 26641470.

The previous prime is 26641469. The next prime is 26641529. The reversal of 26641471 is 17414662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26641471 - 2¹ = 26641469 is a prime.

It is a super-3 number, since 3×26641471³ (a number of 23 digits) contains 333 as substring.

Together with 26641469, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26641441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13320735 + 13320736.

It is an arithmetic number, because the mean of its divisors is an integer number (13320736).

Almost surely, 2^26641471 is an apocalyptic number.

26641471 is a deficient number, since it is larger than the sum of its proper divisors (1).

26641471 is an equidigital number, since it uses as much as digits as its factorization.

26641471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 26641471 is about 5161.5376584890. The cubic root of 26641471 is about 298.6661934705. Note that the first 3 decimals are identical.

The spelling of 26641471 in words is "twenty-six million, six hundred forty-one thousand, four hundred seventy-one".