342512173 has 4 divisors (see below), whose sum is σ = 343170108. Its totient is φ = 341854240.

The previous prime is 342512161. The next prime is 342512189. The reversal of 342512173 is 371215243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121484484 + 221027689 = 11022^2 + 14867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342512173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342512123) 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 3 ways as a sum of consecutive naturals, for example, 328186 + ... + 329227.

It is an arithmetic number, because the mean of its divisors is an integer number (85792527).

Almost surely, 2^342512173 is an apocalyptic number.

It is an amenable number.

342512173 is a deficient number, since it is larger than the sum of its proper divisors (657935).

342512173 is an equidigital number, since it uses as much as digits as its factorization.

342512173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657934.

The product of its digits is 5040, while the sum is 28.

The square root of 342512173 is about 18507.0844003047. The cubic root of 342512173 is about 699.6679874481.

The spelling of 342512173 in words is "three hundred forty-two million, five hundred twelve thousand, one hundred seventy-three".