213383 has 2 divisors, whose sum is σ = 213384. Its totient is φ = 213382.
The previous prime is 213361. The next prime is 213391. The reversal of 213383 is 383312.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 213383 - 26 = 213319 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106691 + 106692.
It is an arithmetic number, because the mean of its divisors is an integer number (106692).
2213383 is an apocalyptic number.
213383 is a deficient number, since it is larger than the sum of its proper divisors (1).
213383 is an equidigital number, since it uses as much as digits as its factorization.
213383 is an evil number, because the sum of its binary digits is even.
The product of its digits is 432, while the sum is 20.
The square root of 213383 is about 461.9339779665. The cubic root of 213383 is about 59.7566999367.
Adding to 213383 its reverse (383312), we get a palindrome (596695).
The spelling of 213383 in words is "two hundred thirteen thousand, three hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •