5256503 has 4 divisors (see below), whose sum is σ = 6007440. Its totient is φ = 4505568.

The previous prime is 5256481. The next prime is 5256509. The reversal of 5256503 is 3056525.

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 5256503 - 2¹⁰ = 5255479 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375458 + ... + 375471.

It is an arithmetic number, because the mean of its divisors is an integer number (1501860).

Almost surely, 2^5256503 is an apocalyptic number.

5256503 is a deficient number, since it is larger than the sum of its proper divisors (750937).

5256503 is an equidigital number, since it uses as much as digits as its factorization.

5256503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750936.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 5256503 is about 2292.7064792511. The cubic root of 5256503 is about 173.8730632745.

The spelling of 5256503 in words is "five million, two hundred fifty-six thousand, five hundred three".