10243 has 2 divisors, whose sum is σ = 10244.
Its totient is φ = 10242.
The previous prime is 10223. The next prime is 10247. The reversal of 10243 is 34201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10243 - 25 = 10211 is a prime.
It is a nialpdrome in base 11.
It is not a weakly prime, because it can be changed into another prime (10247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121 + 5122.
It is an arithmetic number, because the mean of its divisors is an integer number (5122).
210243 is an apocalyptic number.
10243 is a deficient number, since it is larger than the sum of its proper divisors (1).
10243 is an equidigital number, since it uses as much as digits as its factorization.
10243 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 10243 is about 101.2077072164.
The cubic root of 10243 is about 21.7174613645.
Adding to 10243 its reverse (34201), we get a palindrome (44444).
It can be divided in two parts, 10 and 243, that added together give a triangular number (253 = T22).
The spelling of 10243 in words is "ten thousand, two hundred forty-three", and thus it is an iban number.