255441643 has 32 divisors (see below), whose sum is σ = 298045440. Its totient is φ = 217313280.

The previous prime is 255441631. The next prime is 255441647. The reversal of 255441643 is 346144552.

It is a cyclic number.

It is not a de Polignac number, because 255441643 - 2¹⁷ = 255310571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255441599 and 255441608.

It is not an unprimeable number, because it can be changed into a prime (255441647) 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 in 31 ways as a sum of consecutive naturals, for example, 971130 + ... + 971392.

It is an arithmetic number, because the mean of its divisors is an integer number (9313920).

Almost surely, 2^255441643 is an apocalyptic number.

255441643 is a deficient number, since it is larger than the sum of its proper divisors (42603797).

255441643 is a wasteful number, since it uses less digits than its factorization.

255441643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its digits is 57600, while the sum is 34.

The square root of 255441643 is about 15982.5418191225. The cubic root of 255441643 is about 634.4984511717.

The spelling of 255441643 in words is "two hundred fifty-five million, four hundred forty-one thousand, six hundred forty-three".