2430530173 has 2 divisors, whose sum is σ = 2430530174. Its totient is φ = 2430530172.

The previous prime is 2430530147. The next prime is 2430530189. The reversal of 2430530173 is 3710350342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1622720089 + 807810084 = 40283^2 + 28422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2430530173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2430500173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215265086 + 1215265087.

It is an arithmetic number, because the mean of its divisors is an integer number (1215265087).

Almost surely, 2^2430530173 is an apocalyptic number.

It is an amenable number.

2430530173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430530173 is an equidigital number, since it uses as much as digits as its factorization.

2430530173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 2430530173 is about 49300.4074323935. The cubic root of 2430530173 is about 1344.5191913346.

The spelling of 2430530173 in words is "two billion, four hundred thirty million, five hundred thirty thousand, one hundred seventy-three".