255695743 has 2 divisors, whose sum is σ = 255695744. Its totient is φ = 255695742.

The previous prime is 255695731. The next prime is 255695747. The reversal of 255695743 is 347596552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255695743 - 2¹⁷ = 255564671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255695693 and 255695702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255695747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127847871 + 127847872.

It is an arithmetic number, because the mean of its divisors is an integer number (127847872).

Almost surely, 2^255695743 is an apocalyptic number.

255695743 is a deficient number, since it is larger than the sum of its proper divisors (1).

255695743 is an equidigital number, since it uses as much as digits as its factorization.

255695743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 46.

The square root of 255695743 is about 15990.4891419869. The cubic root of 255695743 is about 634.7087700848.

The spelling of 255695743 in words is "two hundred fifty-five million, six hundred ninety-five thousand, seven hundred forty-three".