26815141 has 2 divisors, whose sum is σ = 26815142. Its totient is φ = 26815140.

The previous prime is 26815109. The next prime is 26815153. The reversal of 26815141 is 14151862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20738916 + 6076225 = 4554^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 26815141 - 2⁵ = 26815109 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 (26815181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13407570 + 13407571.

It is an arithmetic number, because the mean of its divisors is an integer number (13407571).

Almost surely, 2^26815141 is an apocalyptic number.

It is an amenable number.

26815141 is a deficient number, since it is larger than the sum of its proper divisors (1).

26815141 is an equidigital number, since it uses as much as digits as its factorization.

26815141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 28.

The square root of 26815141 is about 5178.3338053857. Note that the first 3 decimals coincide. The cubic root of 26815141 is about 299.3137685218.

The spelling of 26815141 in words is "twenty-six million, eight hundred fifteen thousand, one hundred forty-one".