2180603 has 2 divisors, whose sum is σ = 2180604. Its totient is φ = 2180602.

The previous prime is 2180587. The next prime is 2180627. The reversal of 2180603 is 3060812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2180603 - 2⁴ = 2180587 is a prime.

It is a Sophie Germain prime.

It is equal to p₁₆₁₃₆₃ and since 2180603 and 161363 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2180683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090301 + 1090302.

It is an arithmetic number, because the mean of its divisors is an integer number (1090302).

2^2180603 is an apocalyptic number.

2180603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2180603 is an equidigital number, since it uses as much as digits as its factorization.

2180603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2180603 is about 1476.6864934711. The cubic root of 2180603 is about 129.6757798379.

The spelling of 2180603 in words is "two million, one hundred eighty thousand, six hundred three".