255232443 has 4 divisors (see below), whose sum is σ = 340309928. Its totient is φ = 170154960.

The previous prime is 255232429. The next prime is 255232447. The reversal of 255232443 is 344232552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 255232443 - 2⁴ = 255232427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255232443.

It is not an unprimeable number, because it can be changed into a prime (255232447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42538738 + ... + 42538743.

It is an arithmetic number, because the mean of its divisors is an integer number (85077482).

Almost surely, 2^255232443 is an apocalyptic number.

255232443 is a deficient number, since it is larger than the sum of its proper divisors (85077485).

255232443 is an equidigital number, since it uses as much as digits as its factorization.

255232443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85077484.

The product of its digits is 28800, while the sum is 30.

The square root of 255232443 is about 15975.9958375057. The cubic root of 255232443 is about 634.3251913395.

Adding to 255232443 its reverse (344232552), we get a palindrome (599464995).

It can be divided in two parts, 25523 and 2443, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 255232443 in words is "two hundred fifty-five million, two hundred thirty-two thousand, four hundred forty-three".