493003 has 4 divisors (see below), whose sum is σ = 563440. Its totient is φ = 422568.

The previous prime is 493001. The next prime is 493013. The reversal of 493003 is 300394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300394 = 2 ⋅150197.

It is a cyclic number.

It is not a de Polignac number, because 493003 - 2¹ = 493001 is a prime.

It is a super-3 number, since 3×493003³ = 359476033362933081, which contains 333 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 (493001) 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, 35208 + ... + 35221.

It is an arithmetic number, because the mean of its divisors is an integer number (140860).

2⁴⁹³⁰⁰³ is an apocalyptic number.

493003 is a deficient number, since it is larger than the sum of its proper divisors (70437).

493003 is an equidigital number, since it uses as much as digits as its factorization.

493003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70436.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 493003 is about 702.1417235858. The cubic root of 493003 is about 78.9980771844.

Adding to 493003 its reverse (300394), we get a palindrome (793397).

The spelling of 493003 in words is "four hundred ninety-three thousand, three".