498503 has 4 divisors (see below), whose sum is σ = 524760. Its totient is φ = 472248.

The previous prime is 498497. The next prime is 498521. The reversal of 498503 is 305894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305894 = 2 ⋅152947.

It is a cyclic number.

It is not a de Polignac number, because 498503 - 2⁶ = 498439 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13100 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (131190).

2⁴⁹⁸⁵⁰³ is an apocalyptic number.

498503 is a deficient number, since it is larger than the sum of its proper divisors (26257).

498503 is a wasteful number, since it uses less digits than its factorization.

498503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26256.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 498503 is about 706.0474488305. The cubic root of 498503 is about 79.2907621013.

It can be divided in two parts, 498 and 503, that added together give a palindrome (1001).

The spelling of 498503 in words is "four hundred ninety-eight thousand, five hundred three".