255278203 has 8 divisors (see below), whose sum is σ = 258785856. Its totient is φ = 251781000.

The previous prime is 255278189. The next prime is 255278209. The reversal of 255278203 is 302872552.

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 255278203 - 2¹⁷ = 255147131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255278209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55128 + ... + 59578.

It is an arithmetic number, because the mean of its divisors is an integer number (32348232).

Almost surely, 2^255278203 is an apocalyptic number.

255278203 is a deficient number, since it is larger than the sum of its proper divisors (3507653).

255278203 is an equidigital number, since it uses as much as digits as its factorization.

255278203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 255278203 is about 15977.4279219153. The cubic root of 255278203 is about 634.3630979446.

The spelling of 255278203 in words is "two hundred fifty-five million, two hundred seventy-eight thousand, two hundred three".