26155271 has 2 divisors, whose sum is σ = 26155272. Its totient is φ = 26155270.

The previous prime is 26155249. The next prime is 26155273. The reversal of 26155271 is 17255162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26155271 - 2¹⁴ = 26138887 is a prime.

It is a Sophie Germain prime.

Together with 26155273, 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 (26155273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13077635 + 13077636.

It is an arithmetic number, because the mean of its divisors is an integer number (13077636).

Almost surely, 2^26155271 is an apocalyptic number.

26155271 is a deficient number, since it is larger than the sum of its proper divisors (1).

26155271 is an equidigital number, since it uses as much as digits as its factorization.

26155271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 26155271 is about 5114.2224237903. Note that the first 3 decimals coincide. The cubic root of 26155271 is about 296.8381671903.

The spelling of 26155271 in words is "twenty-six million, one hundred fifty-five thousand, two hundred seventy-one".