6887503 has 4 divisors (see below), whose sum is σ = 7871440. Its totient is φ = 5903568.

The previous prime is 6887501. The next prime is 6887527. The reversal of 6887503 is 3057886.

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 6887503 - 2¹ = 6887501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887501) 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, 491958 + ... + 491971.

It is an arithmetic number, because the mean of its divisors is an integer number (1967860).

Almost surely, 2^6887503 is an apocalyptic number.

6887503 is a deficient number, since it is larger than the sum of its proper divisors (983937).

6887503 is an equidigital number, since it uses as much as digits as its factorization.

6887503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983936.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 6887503 is about 2624.4052659603. The cubic root of 6887503 is about 190.2628218735.

It can be divided in two parts, 68 and 87503, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 6887503 in words is "six million, eight hundred eighty-seven thousand, five hundred three".