255133 has 2 divisors, whose sum is σ = 255134. Its totient is φ = 255132.
The previous prime is 255127. The next prime is 255137. The reversal of 255133 is 331552.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 209764 + 45369 = 458^2 + 213^2 .
It is a cyclic number.
It is not a de Polignac number, because 255133 - 213 = 246941 is a prime.
255133 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 255133.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (255137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127566 + 127567.
It is an arithmetic number, because the mean of its divisors is an integer number (127567).
2255133 is an apocalyptic number.
It is an amenable number.
255133 is a deficient number, since it is larger than the sum of its proper divisors (1).
255133 is an equidigital number, since it uses as much as digits as its factorization.
255133 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 450, while the sum is 19.
The square root of 255133 is about 505.1069193745. The cubic root of 255133 is about 63.4242799262.
Adding to 255133 its reverse (331552), we get a palindrome (586685).
The spelling of 255133 in words is "two hundred fifty-five thousand, one hundred thirty-three".
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