255748243 has 2 divisors, whose sum is σ = 255748244. Its totient is φ = 255748242.

The previous prime is 255748237. The next prime is 255748249. The reversal of 255748243 is 342847552.

It is a balanced prime because it is at equal distance from previous prime (255748237) and next prime (255748249).

It is a cyclic number.

It is not a de Polignac number, because 255748243 - 2¹⁷ = 255617171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255748196 and 255748205.

It is not a weakly prime, because it can be changed into another prime (255748249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127874121 + 127874122.

It is an arithmetic number, because the mean of its divisors is an integer number (127874122).

Almost surely, 2^255748243 is an apocalyptic number.

255748243 is a deficient number, since it is larger than the sum of its proper divisors (1).

255748243 is an equidigital number, since it uses as much as digits as its factorization.

255748243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 40.

The square root of 255748243 is about 15992.1306585458. The cubic root of 255748243 is about 634.7522070355.

The spelling of 255748243 in words is "two hundred fifty-five million, seven hundred forty-eight thousand, two hundred forty-three".