255193 has 2 divisors, whose sum is σ = 255194. Its totient is φ = 255192.

The previous prime is 255191. The next prime is 255197. The reversal of 255193 is 391552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233289 + 21904 = 483^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 255193 - 2¹ = 255191 is a prime.

Together with 255191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (255191) 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, 127596 + 127597.

It is an arithmetic number, because the mean of its divisors is an integer number (127597).

2²⁵⁵¹⁹³ is an apocalyptic number.

It is an amenable number.

255193 is a deficient number, since it is larger than the sum of its proper divisors (1).

255193 is an equidigital number, since it uses as much as digits as its factorization.

255193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 25.

The square root of 255193 is about 505.1663092487. The cubic root of 255193 is about 63.4292513966.

The spelling of 255193 in words is "two hundred fifty-five thousand, one hundred ninety-three".