328213 has 2 divisors, whose sum is σ = 328214. Its totient is φ = 328212.

The previous prime is 328177. The next prime is 328243. The reversal of 328213 is 312823.

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., 321489 + 6724 = 567^2 + 82^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164106 + 164107.

It is an arithmetic number, because the mean of its divisors is an integer number (164107).

2³²⁸²¹³ is an apocalyptic number.

It is an amenable number.

328213 is a deficient number, since it is larger than the sum of its proper divisors (1).

328213 is an equidigital number, since it uses as much as digits as its factorization.

328213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 328213 is about 572.8987694174. The cubic root of 328213 is about 68.9792698350.

The spelling of 328213 in words is "three hundred twenty-eight thousand, two hundred thirteen".