255405003 has 32 divisors (see below), whose sum is σ = 405657600. Its totient is φ = 142813440.

The previous prime is 255404983. The next prime is 255405019. The reversal of 255405003 is 300504552.

It is not a de Polignac number, because 255405003 - 2¹³ = 255396811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255405103) 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 31 ways as a sum of consecutive naturals, for example, 45723 + ... + 51003.

It is an arithmetic number, because the mean of its divisors is an integer number (12676800).

Almost surely, 2^255405003 is an apocalyptic number.

255405003 is a deficient number, since it is larger than the sum of its proper divisors (150252597).

255405003 is an equidigital number, since it uses as much as digits as its factorization.

255405003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 255405003 is about 15981.3955272999. The cubic root of 255405003 is about 634.4681126899.

Adding to 255405003 its reverse (300504552), we get a palindrome (555909555).

The spelling of 255405003 in words is "two hundred fifty-five million, four hundred five thousand, three".