255122339 has 4 divisors (see below), whose sum is σ = 255746520. Its totient is φ = 254498160.

The previous prime is 255122333. The next prime is 255122341. The reversal of 255122339 is 933221552.

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

It is a cyclic number.

It is not a de Polignac number, because 255122339 - 2⁴ = 255122323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255122333) 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, 311477 + ... + 312294.

It is an arithmetic number, because the mean of its divisors is an integer number (63936630).

Almost surely, 2^255122339 is an apocalyptic number.

255122339 is a deficient number, since it is larger than the sum of its proper divisors (624181).

255122339 is an equidigital number, since it uses as much as digits as its factorization.

255122339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624180.

The product of its digits is 16200, while the sum is 32.

The square root of 255122339 is about 15972.5495460180. The cubic root of 255122339 is about 634.2339649717.

The spelling of 255122339 in words is "two hundred fifty-five million, one hundred twenty-two thousand, three hundred thirty-nine".