2135030173 has 2 divisors, whose sum is σ = 2135030174. Its totient is φ = 2135030172.

The previous prime is 2135030099. The next prime is 2135030179. The reversal of 2135030173 is 3710305312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2125025604 + 10004569 = 46098^2 + 3163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135030173 - 2¹³ = 2135021981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135030179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067515086 + 1067515087.

It is an arithmetic number, because the mean of its divisors is an integer number (1067515087).

Almost surely, 2^2135030173 is an apocalyptic number.

It is an amenable number.

2135030173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135030173 is an equidigital number, since it uses as much as digits as its factorization.

2135030173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 2135030173 is about 46206.3867122284. The cubic root of 2135030173 is about 1287.6603974988.

Adding to 2135030173 its reverse (3710305312), we get a palindrome (5845335485).

The spelling of 2135030173 in words is "two billion, one hundred thirty-five million, thirty thousand, one hundred seventy-three".