4113503 has 4 divisors (see below), whose sum is σ = 4122888. Its totient is φ = 4104120.

The previous prime is 4113469. The next prime is 4113517. The reversal of 4113503 is 3053114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3053114 = 2 ⋅1526557.

It is a cyclic number.

It is not a de Polignac number, because 4113503 - 2¹² = 4109407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4113533) 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, 4001 + ... + 4922.

It is an arithmetic number, because the mean of its divisors is an integer number (1030722).

Almost surely, 2^4113503 is an apocalyptic number.

4113503 is a deficient number, since it is larger than the sum of its proper divisors (9385).

4113503 is an equidigital number, since it uses as much as digits as its factorization.

4113503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 4113503 is about 2028.1772604977. The cubic root of 4113503 is about 160.2275797889.

Adding to 4113503 its reverse (3053114), we get a palindrome (7166617).

The spelling of 4113503 in words is "four million, one hundred thirteen thousand, five hundred three".