255432443 has 8 divisors (see below), whose sum is σ = 297880800. Its totient is φ = 218941800.

The previous prime is 255432421. The next prime is 255432461. The reversal of 255432443 is 344234552.

It is not a de Polignac number, because 255432443 - 2⁶ = 255432379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255432413) 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 7 ways as a sum of consecutive naturals, for example, 372008 + ... + 372693.

It is an arithmetic number, because the mean of its divisors is an integer number (37235100).

Almost surely, 2^255432443 is an apocalyptic number.

255432443 is a deficient number, since it is larger than the sum of its proper divisors (42448357).

255432443 is an frugal number, since it uses more digits than its factorization.

255432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744722 (or 744708 counting only the distinct ones).

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

The square root of 255432443 is about 15982.2540024866. The cubic root of 255432443 is about 634.4908337034.

Adding to 255432443 its reverse (344234552), we get a palindrome (599666995).

The spelling of 255432443 in words is "two hundred fifty-five million, four hundred thirty-two thousand, four hundred forty-three".