5281503 has 16 divisors (see below), whose sum is σ = 7309440. Its totient is φ = 3389984.

The previous prime is 5281499. The next prime is 5281511. The reversal of 5281503 is 3051825.

It is a cyclic number.

It is not a de Polignac number, because 5281503 - 2² = 5281499 is a prime.

5281503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9100 + ... + 9662.

It is an arithmetic number, because the mean of its divisors is an integer number (456840).

Almost surely, 2^5281503 is an apocalyptic number.

5281503 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5281503 is a deficient number, since it is larger than the sum of its proper divisors (2027937).

5281503 is a wasteful number, since it uses less digits than its factorization.

5281503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5281503 is about 2298.1520837403. The cubic root of 5281503 is about 174.1482749849.

The spelling of 5281503 in words is "five million, two hundred eighty-one thousand, five hundred three".