2175134273 has 6 divisors (see below), whose sum is σ = 2355323094. Its totient is φ = 2007816096.

The previous prime is 2175134267. The next prime is 2175134293. The reversal of 2175134273 is 3724315712.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 37736449 + 2137397824 = 6143^2 + 46232^2 .

It is not a de Polignac number, because 2175134273 - 2¹⁸ = 2174872129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2175134243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6435140 + ... + 6435477.

It is an arithmetic number, because the mean of its divisors is an integer number (392553849).

Almost surely, 2^2175134273 is an apocalyptic number.

It is an amenable number.

2175134273 is a deficient number, since it is larger than the sum of its proper divisors (180188821).

2175134273 is a wasteful number, since it uses less digits than its factorization.

2175134273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12870643 (or 12870630 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 2175134273 is about 46638.3348008910. The cubic root of 2175134273 is about 1295.6728460361.

Adding to 2175134273 its reverse (3724315712), we get a palindrome (5899449985).

The spelling of 2175134273 in words is "two billion, one hundred seventy-five million, one hundred thirty-four thousand, two hundred seventy-three".