89213 has 2 divisors, whose sum is σ = 89214. Its totient is φ = 89212.

The previous prime is 89209. The next prime is 89227. The reversal of 89213 is 31298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85849 + 3364 = 293^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 89213 - 2² = 89209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44606 + 44607.

It is an arithmetic number, because the mean of its divisors is an integer number (44607).

2⁸⁹²¹³ is an apocalyptic number.

It is an amenable number.

89213 is a deficient number, since it is larger than the sum of its proper divisors (1).

89213 is an equidigital number, since it uses as much as digits as its factorization.

89213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 89213 is about 298.6854532782. The cubic root of 89213 is about 44.6830402089.

The spelling of 89213 in words is "eighty-nine thousand, two hundred thirteen".