255217343 has 2 divisors, whose sum is σ = 255217344. Its totient is φ = 255217342.

The previous prime is 255217337. The next prime is 255217349. The reversal of 255217343 is 343712552.

It is a balanced prime because it is at equal distance from previous prime (255217337) and next prime (255217349).

It is a cyclic number.

It is not a de Polignac number, because 255217343 - 2²⁰ = 254168767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255217349) 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, 127608671 + 127608672.

It is an arithmetic number, because the mean of its divisors is an integer number (127608672).

Almost surely, 2^255217343 is an apocalyptic number.

255217343 is a deficient number, since it is larger than the sum of its proper divisors (1).

255217343 is an equidigital number, since it uses as much as digits as its factorization.

255217343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 255217343 is about 15975.5232465168. The cubic root of 255217343 is about 634.3126818284.

Adding to 255217343 its reverse (343712552), we get a palindrome (598929895).

The spelling of 255217343 in words is "two hundred fifty-five million, two hundred seventeen thousand, three hundred forty-three".