26838541 has 2 divisors, whose sum is σ = 26838542. Its totient is φ = 26838540.

The previous prime is 26838527. The next prime is 26838557. The reversal of 26838541 is 14583862.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 3316041 = 4850^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 26838541 - 2⁵ = 26838509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26838541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26838521) 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, 13419270 + 13419271.

It is an arithmetic number, because the mean of its divisors is an integer number (13419271).

Almost surely, 2^26838541 is an apocalyptic number.

It is an amenable number.

26838541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26838541 is an equidigital number, since it uses as much as digits as its factorization.

26838541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 26838541 is about 5180.5927267061. The cubic root of 26838541 is about 299.4008077292.

It can be divided in two parts, 268 and 38541, that added together give a square (38809 = 197²).

The spelling of 26838541 in words is "twenty-six million, eight hundred thirty-eight thousand, five hundred forty-one".