538555271 has 2 divisors, whose sum is σ = 538555272. Its totient is φ = 538555270.

The previous prime is 538555267. The next prime is 538555273. The reversal of 538555271 is 172555835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538555271 - 2² = 538555267 is a prime.

It is a Sophie Germain prime.

Together with 538555273, 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 (538555273) 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, 269277635 + 269277636.

It is an arithmetic number, because the mean of its divisors is an integer number (269277636).

Almost surely, 2^538555271 is an apocalyptic number.

538555271 is a deficient number, since it is larger than the sum of its proper divisors (1).

538555271 is an equidigital number, since it uses as much as digits as its factorization.

538555271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210000, while the sum is 41.

The square root of 538555271 is about 23206.7936389325. The cubic root of 538555271 is about 813.5984145398.

The spelling of 538555271 in words is "five hundred thirty-eight million, five hundred fifty-five thousand, two hundred seventy-one".