213175213 has 2 divisors, whose sum is σ = 213175214. Its totient is φ = 213175212.

The previous prime is 213175211. The next prime is 213175219. The reversal of 213175213 is 312571312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196504324 + 16670889 = 14018^2 + 4083^2 .

It is a cyclic number.

It is not a de Polignac number, because 213175213 - 2¹ = 213175211 is a prime.

Together with 213175211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213175211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106587606 + 106587607.

It is an arithmetic number, because the mean of its divisors is an integer number (106587607).

Almost surely, 2^213175213 is an apocalyptic number.

It is an amenable number.

213175213 is a deficient number, since it is larger than the sum of its proper divisors (1).

213175213 is an equidigital number, since it uses as much as digits as its factorization.

213175213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 213175213 is about 14600.5209838553. The cubic root of 213175213 is about 597.3729711340.

The spelling of 213175213 in words is "two hundred thirteen million, one hundred seventy-five thousand, two hundred thirteen".