2162603 has 2 divisors, whose sum is σ = 2162604. Its totient is φ = 2162602.

The previous prime is 2162597. The next prime is 2162623. The reversal of 2162603 is 3062612.

It is an a-pointer prime, because the next prime (2162623) can be obtained adding 2162603 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162603 - 2¹⁴ = 2146219 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2162623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081301 + 1081302.

It is an arithmetic number, because the mean of its divisors is an integer number (1081302).

2^2162603 is an apocalyptic number.

2162603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162603 is an equidigital number, since it uses as much as digits as its factorization.

2162603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2162603 is about 1470.5791376189. The cubic root of 2162603 is about 129.3179864231.

Subtracting 2162603 from its reverse (3062612), we obtain a palindrome (900009).

The spelling of 2162603 in words is "two million, one hundred sixty-two thousand, six hundred three".