255303005 has 4 divisors (see below), whose sum is σ = 306363612. Its totient is φ = 204242400.

The previous prime is 255302989. The next prime is 255303017. The reversal of 255303005 is 500303552.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71944324 + 183358681 = 8482^2 + 13541^2 .

It is not a de Polignac number, because 255303005 - 2⁴ = 255302989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25530296 + ... + 25530305.

It is an arithmetic number, because the mean of its divisors is an integer number (76590903).

Almost surely, 2^255303005 is an apocalyptic number.

It is an amenable number.

255303005 is a deficient number, since it is larger than the sum of its proper divisors (51060607).

255303005 is an equidigital number, since it uses as much as digits as its factorization.

255303005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51060606.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 255303005 is about 15978.2040605320. The cubic root of 255303005 is about 634.3836414978.

Adding to 255303005 its reverse (500303552), we get a palindrome (755606557).

The spelling of 255303005 in words is "two hundred fifty-five million, three hundred three thousand, five".