255052503 has 16 divisors (see below), whose sum is σ = 385896960. Its totient is φ = 166416408.

The previous prime is 255052493. The next prime is 255052537. The reversal of 255052503 is 305250552.

It is not a de Polignac number, because 255052503 - 2⁴ = 255052487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255050503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99225 + ... + 101762.

It is an arithmetic number, because the mean of its divisors is an integer number (24118560).

Almost surely, 2^255052503 is an apocalyptic number.

255052503 is a deficient number, since it is larger than the sum of its proper divisors (130844457).

255052503 is a wasteful number, since it uses less digits than its factorization.

255052503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201043 (or 201037 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 255052503 is about 15970.3632707587. The cubic root of 255052503 is about 634.1760889406.

The spelling of 255052503 in words is "two hundred fifty-five million, fifty-two thousand, five hundred three".