213052171 has 8 divisors (see below), whose sum is σ = 214418880. Its totient is φ = 211689792.

The previous prime is 213052157. The next prime is 213052207. The reversal of 213052171 is 171250312.

It is a happy number.

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 213052171 - 2⁵ = 213052139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213052141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192606 + ... + 193708.

It is an arithmetic number, because the mean of its divisors is an integer number (26802360).

Almost surely, 2^213052171 is an apocalyptic number.

213052171 is a deficient number, since it is larger than the sum of its proper divisors (1366709).

213052171 is a wasteful number, since it uses less digits than its factorization.

213052171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 213052171 is about 14596.3067589031. The cubic root of 213052171 is about 597.2580170076.

The spelling of 213052171 in words is "two hundred thirteen million, fifty-two thousand, one hundred seventy-one".