255452647 has 2 divisors, whose sum is σ = 255452648. Its totient is φ = 255452646.

The previous prime is 255452641. The next prime is 255452707. The reversal of 255452647 is 746254552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255452647 - 2¹¹ = 255450599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255452641) 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, 127726323 + 127726324.

It is an arithmetic number, because the mean of its divisors is an integer number (127726324).

Almost surely, 2^255452647 is an apocalyptic number.

255452647 is a deficient number, since it is larger than the sum of its proper divisors (1).

255452647 is an equidigital number, since it uses as much as digits as its factorization.

255452647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336000, while the sum is 40.

The square root of 255452647 is about 15982.8860660395. The cubic root of 255452647 is about 634.5075620859.

The spelling of 255452647 in words is "two hundred fifty-five million, four hundred fifty-two thousand, six hundred forty-seven".