493503 has 8 divisors (see below), whose sum is σ = 662400. Its totient is φ = 326808.

The previous prime is 493481. The next prime is 493523. The reversal of 493503 is 305394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 493503 - 2¹² = 489407 is a prime.

It is a super-2 number, since 2×493503² = 487090422018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2⁴⁹³⁵⁰³ is an apocalyptic number.

493503 is a deficient number, since it is larger than the sum of its proper divisors (168897).

493503 is a wasteful number, since it uses less digits than its factorization.

493503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 493503 is about 702.4976868289. The cubic root of 493503 is about 79.0247745831.

Adding to 493503 its reverse (305394), we get a palindrome (798897).

The spelling of 493503 in words is "four hundred ninety-three thousand, five hundred three".