255243355 has 24 divisors (see below), whose sum is σ = 336643920. Its totient is φ = 185525760.

The previous prime is 255243349. The next prime is 255243371. The reversal of 255243355 is 553342552.

It is not a de Polignac number, because 255243355 - 2²⁵ = 221688923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255243355.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38860 + ... + 44950.

It is an arithmetic number, because the mean of its divisors is an integer number (14026830).

Almost surely, 2^255243355 is an apocalyptic number.

255243355 is a deficient number, since it is larger than the sum of its proper divisors (81400565).

255243355 is a wasteful number, since it uses less digits than its factorization.

255243355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159 (or 6142 counting only the distinct ones).

The product of its digits is 90000, while the sum is 34.

The square root of 255243355 is about 15976.3373462130. The cubic root of 255243355 is about 634.3342310183.

The spelling of 255243355 in words is "two hundred fifty-five million, two hundred forty-three thousand, three hundred fifty-five".