255335913 has 72 divisors (see below), whose sum is σ = 446164992. Its totient is φ = 140216832.

The previous prime is 255335909. The next prime is 255335921. The reversal of 255335913 is 319533552.

It is a happy number.

It is not a de Polignac number, because 255335913 - 2² = 255335909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255335963) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2010456 + ... + 2010582.

It is an arithmetic number, because the mean of its divisors is an integer number (6196736).

Almost surely, 2^255335913 is an apocalyptic number.

It is an amenable number.

255335913 is a deficient number, since it is larger than the sum of its proper divisors (190829079).

255335913 is a wasteful number, since it uses less digits than its factorization.

255335913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 281 counting only the distinct ones).

The product of its digits is 60750, while the sum is 36.

The square root of 255335913 is about 15979.2338051610. The cubic root of 255335913 is about 634.4108972156.

The spelling of 255335913 in words is "two hundred fifty-five million, three hundred thirty-five thousand, nine hundred thirteen".