255372443 has 4 divisors (see below), whose sum is σ = 259184040. Its totient is φ = 251560848.

The previous prime is 255372437. The next prime is 255372449. The reversal of 255372443 is 344273552.

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

It is an interprime number because it is at equal distance from previous prime (255372437) and next prime (255372449).

It is a cyclic number.

It is not a de Polignac number, because 255372443 - 2¹⁸ = 255110299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255372449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905698 + ... + 1905831.

It is an arithmetic number, because the mean of its divisors is an integer number (64796010).

Almost surely, 2^255372443 is an apocalyptic number.

255372443 is a deficient number, since it is larger than the sum of its proper divisors (3811597).

255372443 is an equidigital number, since it uses as much as digits as its factorization.

255372443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811596.

The product of its digits is 100800, while the sum is 35.

The square root of 255372443 is about 15980.3768103258. The cubic root of 255372443 is about 634.4411500757.

The spelling of 255372443 in words is "two hundred fifty-five million, three hundred seventy-two thousand, four hundred forty-three".