255505003 has 4 divisors (see below), whose sum is σ = 275159248. Its totient is φ = 235850760.

The previous prime is 255505001. The next prime is 255505013. The reversal of 255505003 is 300505552.

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

It is a cyclic number.

It is not a de Polignac number, because 255505003 - 2¹ = 255505001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255505001) 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, 9827103 + ... + 9827128.

It is an arithmetic number, because the mean of its divisors is an integer number (68789812).

Almost surely, 2^255505003 is an apocalyptic number.

255505003 is a deficient number, since it is larger than the sum of its proper divisors (19654245).

255505003 is a wasteful number, since it uses less digits than its factorization.

255505003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654244.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 255505003 is about 15984.5238590331. The cubic root of 255505003 is about 634.5509073778.

The spelling of 255505003 in words is "two hundred fifty-five million, five hundred five thousand, three".