2175172043 has 8 divisors (see below), whose sum is σ = 2388030960. Its totient is φ = 1964832480.

The previous prime is 2175172001. The next prime is 2175172073. The reversal of 2175172043 is 3402715712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2175172043 - 2¹² = 2175167947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2175172073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628028 + ... + 631481.

It is an arithmetic number, because the mean of its divisors is an integer number (298503870).

Almost surely, 2^2175172043 is an apocalyptic number.

2175172043 is a deficient number, since it is larger than the sum of its proper divisors (212858917).

2175172043 is a wasteful number, since it uses less digits than its factorization.

2175172043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259677.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2175172043 is about 46638.7397235388. The cubic root of 2175172043 is about 1295.6803455395.

Adding to 2175172043 its reverse (3402715712), we get a palindrome (5577887755).

The spelling of 2175172043 in words is "two billion, one hundred seventy-five million, one hundred seventy-two thousand, forty-three".