212675173 has 4 divisors (see below), whose sum is σ = 213359328. Its totient is φ = 211991020.

The previous prime is 212675147. The next prime is 212675209. The reversal of 212675173 is 371576212.

212675173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212675173 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 (212675123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341611 + ... + 342232.

It is an arithmetic number, because the mean of its divisors is an integer number (53339832).

Almost surely, 2^212675173 is an apocalyptic number.

It is an amenable number.

212675173 is a deficient number, since it is larger than the sum of its proper divisors (684155).

212675173 is an equidigital number, since it uses as much as digits as its factorization.

212675173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684154.

The product of its digits is 17640, while the sum is 34.

The square root of 212675173 is about 14583.3868837112. The cubic root of 212675173 is about 596.9055242853.

The spelling of 212675173 in words is "two hundred twelve million, six hundred seventy-five thousand, one hundred seventy-three".