255290471 has 2 divisors, whose sum is σ = 255290472. Its totient is φ = 255290470.

The previous prime is 255290459. The next prime is 255290473. The reversal of 255290471 is 174092552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255290471 is a prime.

It is a super-3 number, since 3×255290471³ (a number of 26 digits) contains 333 as substring.

Together with 255290473, 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 (255290473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127645235 + 127645236.

It is an arithmetic number, because the mean of its divisors is an integer number (127645236).

Almost surely, 2^255290471 is an apocalyptic number.

255290471 is a deficient number, since it is larger than the sum of its proper divisors (1).

255290471 is an equidigital number, since it uses as much as digits as its factorization.

255290471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 255290471 is about 15977.8118339152. The cubic root of 255290471 is about 634.3732597233.

The spelling of 255290471 in words is "two hundred fifty-five million, two hundred ninety thousand, four hundred seventy-one".