213167 has 4 divisors (see below), whose sum is σ = 216840. Its totient is φ = 209496.

The previous prime is 213149. The next prime is 213173. The reversal of 213167 is 761312.

It is a happy number.

213167 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.

It is a cyclic number.

It is not a de Polignac number, because 213167 - 2¹² = 209071 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213167.

It is not an unprimeable number, because it can be changed into a prime (213067) 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, 1748 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (54210).

2²¹³¹⁶⁷ is an apocalyptic number.

213167 is a deficient number, since it is larger than the sum of its proper divisors (3673).

213167 is an equidigital number, since it uses as much as digits as its factorization.

213167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672.

The product of its digits is 252, while the sum is 20.

The square root of 213167 is about 461.7001191250. The cubic root of 213167 is about 59.7365299374.

Adding to 213167 its reverse (761312), we get a palindrome (974479).

The spelling of 213167 in words is "two hundred thirteen thousand, one hundred sixty-seven".