255536471 has 2 divisors, whose sum is σ = 255536472. Its totient is φ = 255536470.

The previous prime is 255536461. The next prime is 255536473. The reversal of 255536471 is 174635552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255536471 - 2²⁶ = 188427607 is a prime.

It is a super-3 number, since 3×255536471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 255536473, 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 (255536473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127768235 + 127768236.

It is an arithmetic number, because the mean of its divisors is an integer number (127768236).

Almost surely, 2^255536471 is an apocalyptic number.

255536471 is a deficient number, since it is larger than the sum of its proper divisors (1).

255536471 is an equidigital number, since it uses as much as digits as its factorization.

255536471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 255536471 is about 15985.5081558266. The cubic root of 255536471 is about 634.5769567415.

The spelling of 255536471 in words is "two hundred fifty-five million, five hundred thirty-six thousand, four hundred seventy-one".