255717283 has 2 divisors, whose sum is σ = 255717284. Its totient is φ = 255717282.

The previous prime is 255717251. The next prime is 255717337. The reversal of 255717283 is 382717552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255717283 - 2⁵ = 255717251 is a prime.

It is not a weakly prime, because it can be changed into another prime (255717223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127858641 + 127858642.

It is an arithmetic number, because the mean of its divisors is an integer number (127858642).

Almost surely, 2^255717283 is an apocalyptic number.

255717283 is a deficient number, since it is larger than the sum of its proper divisors (1).

255717283 is an equidigital number, since it uses as much as digits as its factorization.

255717283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 40.

The square root of 255717283 is about 15991.1626531657. The cubic root of 255717283 is about 634.7265923644.

The spelling of 255717283 in words is "two hundred fifty-five million, seven hundred seventeen thousand, two hundred eighty-three".