255692471 has 2 divisors, whose sum is σ = 255692472. Its totient is φ = 255692470.

The previous prime is 255692447. The next prime is 255692473. The reversal of 255692471 is 174296552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255692471 - 2¹⁸ = 255430327 is a prime.

It is a super-3 number, since 3×255692471³ (a number of 26 digits) contains 333 as substring.

Together with 255692473, 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 (255692473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127846235 + 127846236.

It is an arithmetic number, because the mean of its divisors is an integer number (127846236).

Almost surely, 2^255692471 is an apocalyptic number.

255692471 is a deficient number, since it is larger than the sum of its proper divisors (1).

255692471 is an equidigital number, since it uses as much as digits as its factorization.

255692471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 255692471 is about 15990.3868308431. The cubic root of 255692471 is about 634.7060627318.

The spelling of 255692471 in words is "two hundred fifty-five million, six hundred ninety-two thousand, four hundred seventy-one".