208213 has 2 divisors, whose sum is σ = 208214. Its totient is φ = 208212.

The previous prime is 208207. The next prime is 208217. The reversal of 208213 is 312802.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174724 + 33489 = 418^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 208213 - 2¹⁷ = 77141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104106 + 104107.

It is an arithmetic number, because the mean of its divisors is an integer number (104107).

2²⁰⁸²¹³ is an apocalyptic number.

It is an amenable number.

208213 is a deficient number, since it is larger than the sum of its proper divisors (1).

208213 is an equidigital number, since it uses as much as digits as its factorization.

208213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 208213 is about 456.3036269854. The cubic root of 208213 is about 59.2701392012.

The spelling of 208213 in words is "two hundred eight thousand, two hundred thirteen".