255220503 has 16 divisors (see below), whose sum is σ = 353894400. Its totient is φ = 163409120.

The previous prime is 255220501. The next prime is 255220517. The reversal of 255220503 is 305022552.

It is a cyclic number.

It is not a de Polignac number, because 255220503 - 2¹ = 255220501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255220501) 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 15 ways as a sum of consecutive naturals, for example, 8938 + ... + 24296.

It is an arithmetic number, because the mean of its divisors is an integer number (22118400).

Almost surely, 2^255220503 is an apocalyptic number.

255220503 is a deficient number, since it is larger than the sum of its proper divisors (98673897).

255220503 is a wasteful number, since it uses less digits than its factorization.

255220503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15582.

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

The square root of 255220503 is about 15975.6221475096. The cubic root of 255220503 is about 634.3152997537.

The spelling of 255220503 in words is "two hundred fifty-five million, two hundred twenty thousand, five hundred three".