255942277 has 2 divisors, whose sum is σ = 255942278. Its totient is φ = 255942276.

The previous prime is 255942251. The next prime is 255942311. The reversal of 255942277 is 772249552.

255942277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252460321 + 3481956 = 15889^2 + 1866^2 .

It is a cyclic number.

It is not a de Polignac number, because 255942277 - 2¹¹ = 255940229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255942227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127971138 + 127971139.

It is an arithmetic number, because the mean of its divisors is an integer number (127971139).

Almost surely, 2^255942277 is an apocalyptic number.

It is an amenable number.

255942277 is a deficient number, since it is larger than the sum of its proper divisors (1).

255942277 is an equidigital number, since it uses as much as digits as its factorization.

255942277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 255942277 is about 15998.1960545557. The cubic root of 255942277 is about 634.9126934755.

The spelling of 255942277 in words is "two hundred fifty-five million, nine hundred forty-two thousand, two hundred seventy-seven".