255434243 has 8 divisors (see below), whose sum is σ = 259132608. Its totient is φ = 251750824.

The previous prime is 255434161. The next prime is 255434261. The reversal of 255434243 is 342434552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255434243 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (255434743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33296 + ... + 40242.

It is an arithmetic number, because the mean of its divisors is an integer number (32391576).

Almost surely, 2^255434243 is an apocalyptic number.

255434243 is a deficient number, since it is larger than the sum of its proper divisors (3698365).

255434243 is an equidigital number, since it uses as much as digits as its factorization.

255434243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473.

The product of its digits is 57600, while the sum is 32.

The square root of 255434243 is about 15982.3103148450. The cubic root of 255434243 is about 634.4923240920.

Adding to 255434243 its reverse (342434552), we get a palindrome (597868795).

The spelling of 255434243 in words is "two hundred fifty-five million, four hundred thirty-four thousand, two hundred forty-three".