255383 has 2 divisors, whose sum is σ = 255384. Its totient is φ = 255382.
The previous prime is 255371. The next prime is 255413. The reversal of 255383 is 383552.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 255383 - 28 = 255127 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255383.
It is not a weakly prime, because it can be changed into another prime (255313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127691 + 127692.
It is an arithmetic number, because the mean of its divisors is an integer number (127692).
2255383 is an apocalyptic number.
255383 is a deficient number, since it is larger than the sum of its proper divisors (1).
255383 is an equidigital number, since it uses as much as digits as its factorization.
255383 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3600, while the sum is 26.
The square root of 255383 is about 505.3543311381. The cubic root of 255383 is about 63.4449892474. Note that the first 3 decimals are identical.
The spelling of 255383 in words is "two hundred fifty-five thousand, three hundred eighty-three".
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