5145503 has 4 divisors (see below), whose sum is σ = 5613288. Its totient is φ = 4677720.

The previous prime is 5145493. The next prime is 5145521. The reversal of 5145503 is 3055415.

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 5145503 - 2¹² = 5141407 is a prime.

It is a super-2 number, since 2×5145503² = 52952402246018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145593) 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 3 ways as a sum of consecutive naturals, for example, 233876 + ... + 233897.

It is an arithmetic number, because the mean of its divisors is an integer number (1403322).

Almost surely, 2^5145503 is an apocalyptic number.

5145503 is a deficient number, since it is larger than the sum of its proper divisors (467785).

5145503 is a wasteful number, since it uses less digits than its factorization.

5145503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467784.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5145503 is about 2268.3701197115. The cubic root of 5145503 is about 172.6404708913.

It can be divided in two parts, 51 and 45503, that added together give a palindrome (45554).

The spelling of 5145503 in words is "five million, one hundred forty-five thousand, five hundred three".