298213 has 2 divisors, whose sum is σ = 298214. Its totient is φ = 298212.

The previous prime is 298211. The next prime is 298223. The reversal of 298213 is 312892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294849 + 3364 = 543^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 298213 - 2¹ = 298211 is a prime.

Together with 298211, it forms a pair of twin primes.

It is equal to p₂₅₈₆₄ and since 298213 and 25864 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149106 + 149107.

It is an arithmetic number, because the mean of its divisors is an integer number (149107).

2²⁹⁸²¹³ is an apocalyptic number.

It is an amenable number.

298213 is a deficient number, since it is larger than the sum of its proper divisors (1).

298213 is an equidigital number, since it uses as much as digits as its factorization.

298213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 298213 is about 546.0888206144. The cubic root of 298213 is about 66.8101105807.

The spelling of 298213 in words is "two hundred ninety-eight thousand, two hundred thirteen".