299213 has 2 divisors, whose sum is σ = 299214. Its totient is φ = 299212.

The previous prime is 299197. The next prime is 299239. The reversal of 299213 is 312992.

It is an a-pointer prime, because the next prime (299239) can be obtained adding 299213 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 4 = 547^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 299213 - 2⁴ = 299197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₂₅₉₃₇ and since 299213 and 25937 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 (299113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149606 + 149607.

It is an arithmetic number, because the mean of its divisors is an integer number (149607).

2²⁹⁹²¹³ is an apocalyptic number.

It is an amenable number.

299213 is a deficient number, since it is larger than the sum of its proper divisors (1).

299213 is an equidigital number, since it uses as much as digits as its factorization.

299213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 26.

The square root of 299213 is about 547.0036562949. The cubic root of 299213 is about 66.8847055527.

It can be divided in two parts, 299 and 213, that added together give a 9-th power (512 = 2⁹).

The spelling of 299213 in words is "two hundred ninety-nine thousand, two hundred thirteen".