255443273 has 4 divisors (see below), whose sum is σ = 259772880. Its totient is φ = 251113668.

The previous prime is 255443269. The next prime is 255443291. The reversal of 255443273 is 372344552.

255443273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255443273 - 2² = 255443269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255442273) 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, 2164715 + ... + 2164832.

It is an arithmetic number, because the mean of its divisors is an integer number (64943220).

Almost surely, 2^255443273 is an apocalyptic number.

It is an amenable number.

255443273 is a deficient number, since it is larger than the sum of its proper divisors (4329607).

255443273 is an equidigital number, since it uses as much as digits as its factorization.

255443273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329606.

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

The square root of 255443273 is about 15982.5928121816. The cubic root of 255443273 is about 634.4998007692.

The spelling of 255443273 in words is "two hundred fifty-five million, four hundred forty-three thousand, two hundred seventy-three".