26871541 has 2 divisors, whose sum is σ = 26871542. Its totient is φ = 26871540.

The previous prime is 26871539. The next prime is 26871553. The reversal of 26871541 is 14517862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 4498641 = 4730^2 + 2121^2 .

It is a cyclic number.

It is not a de Polignac number, because 26871541 - 2¹ = 26871539 is a prime.

Together with 26871539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 26871497 and 26871506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26871511) 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, 13435770 + 13435771.

It is an arithmetic number, because the mean of its divisors is an integer number (13435771).

Almost surely, 2^26871541 is an apocalyptic number.

It is an amenable number.

26871541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26871541 is an equidigital number, since it uses as much as digits as its factorization.

26871541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 26871541 is about 5183.7767120122. The cubic root of 26871541 is about 299.5234693886.

The spelling of 26871541 in words is "twenty-six million, eight hundred seventy-one thousand, five hundred forty-one".