213799 has 2 divisors, whose sum is σ = 213800. Its totient is φ = 213798.

The previous prime is 213791. The next prime is 213821. The reversal of 213799 is 997312.

213799 is nontrivially palindromic in base 15.

213799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213799 - 2³ = 213791 is a prime.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 213799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106899 + 106900.

It is an arithmetic number, because the mean of its divisors is an integer number (106900).

2²¹³⁷⁹⁹ is an apocalyptic number.

213799 is a deficient number, since it is larger than the sum of its proper divisors (1).

213799 is an equidigital number, since it uses as much as digits as its factorization.

213799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 31.

The square root of 213799 is about 462.3840395169. The cubic root of 213799 is about 59.7955075427.

The spelling of 213799 in words is "two hundred thirteen thousand, seven hundred ninety-nine".