255312355 has 4 divisors (see below), whose sum is σ = 306374832. Its totient is φ = 204249880.

The previous prime is 255312353. The next prime is 255312359. The reversal of 255312355 is 553213552.

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

It is not a de Polignac number, because 255312355 - 2¹ = 255312353 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255312353) 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, 25531231 + ... + 25531240.

It is an arithmetic number, because the mean of its divisors is an integer number (76593708).

Almost surely, 2^255312355 is an apocalyptic number.

255312355 is a deficient number, since it is larger than the sum of its proper divisors (51062477).

255312355 is an equidigital number, since it uses as much as digits as its factorization.

255312355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51062476.

The product of its digits is 22500, while the sum is 31.

The square root of 255312355 is about 15978.4966439274. The cubic root of 255312355 is about 634.3913857788.

The spelling of 255312355 in words is "two hundred fifty-five million, three hundred twelve thousand, three hundred fifty-five".