40503 has 8 divisors (see below), whose sum is σ = 56448. Its totient is φ = 25784.

The previous prime is 40499. The next prime is 40507. The reversal of 40503 is 30504.

It is an interprime number because it is at equal distance from previous prime (40499) and next prime (40507).

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

It is a cyclic number.

It is not a de Polignac number, because 40503 - 2² = 40499 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40507) 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, 225 + ... + 362.

It is an arithmetic number, because the mean of its divisors is an integer number (7056).

2⁴⁰⁵⁰³ is an apocalyptic number.

40503 is a deficient number, since it is larger than the sum of its proper divisors (15945).

40503 is a wasteful number, since it uses less digits than its factorization.

40503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 40503 is about 201.2535713969. The cubic root of 40503 is about 34.3422751921.

Subtracting from 40503 its reverse (30504), we obtain a palindrome (9999).

The spelling of 40503 in words is "forty thousand, five hundred three".