10000243 has 4 divisors (see below), whose sum is σ = 10909368. Its totient is φ = 9091120.

The previous prime is 10000229. The next prime is 10000247. The reversal of 10000243 is 34200001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34200001 = 11 ⋅3109091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454546 + ... + 454567.

It is an arithmetic number, because the mean of its divisors is an integer number (2727342).

Almost surely, 2^10000243 is an apocalyptic number.

10000243 is a deficient number, since it is larger than the sum of its proper divisors (909125).

10000243 is an equidigital number, since it uses as much as digits as its factorization.

10000243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909124.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10000243 is about 3162.3160816085. The cubic root of 10000243 is about 215.4452140812.

Adding to 10000243 its reverse (34200001), we get a palindrome (44200244).

The spelling of 10000243 in words is "ten million, two hundred forty-three", and thus it is an aban number.