2102603 has 4 divisors (see below), whose sum is σ = 2153928. Its totient is φ = 2051280.

The previous prime is 2102593. The next prime is 2102623. The reversal of 2102603 is 3062012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102603 - 2¹⁶ = 2037067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102623) 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, 25601 + ... + 25682.

It is an arithmetic number, because the mean of its divisors is an integer number (538482).

2^2102603 is an apocalyptic number.

2102603 is a deficient number, since it is larger than the sum of its proper divisors (51325).

2102603 is an equidigital number, since it uses as much as digits as its factorization.

2102603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51324.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2102603 is about 1450.0355168064. The cubic root of 2102603 is about 128.1108049314.

Adding to 2102603 its reverse (3062012), we get a palindrome (5164615).

The spelling of 2102603 in words is "two million, one hundred two thousand, six hundred three".