255338791 has 8 divisors (see below), whose sum is σ = 260112384. Its totient is φ = 250598040.

The previous prime is 255338753. The next prime is 255338803. The reversal of 255338791 is 197833552.

255338791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255338791 - 2²³ = 246950183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255335791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7770 + ... + 23896.

It is an arithmetic number, because the mean of its divisors is an integer number (32514048).

Almost surely, 2^255338791 is an apocalyptic number.

255338791 is a deficient number, since it is larger than the sum of its proper divisors (4773593).

255338791 is a wasteful number, since it uses less digits than its factorization.

255338791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16421.

The product of its digits is 226800, while the sum is 43.

The square root of 255338791 is about 15979.3238592877. The cubic root of 255338791 is about 634.4132807786.

The spelling of 255338791 in words is "two hundred fifty-five million, three hundred thirty-eight thousand, seven hundred ninety-one".