250243 has 6 divisors (see below), whose sum is σ = 291156. Its totient is φ = 214452.

The previous prime is 250199. The next prime is 250253. The reversal of 250243 is 342052.

250243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-250243 is a prime.

It is a Duffinian number.

250243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (250253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2505 + ... + 2602.

It is an arithmetic number, because the mean of its divisors is an integer number (48526).

2²⁵⁰²⁴³ is an apocalyptic number.

250243 is a deficient number, since it is larger than the sum of its proper divisors (40913).

250243 is an equidigital number, since it uses as much as digits as its factorization.

250243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 250243 is about 500.2429409797. The cubic root of 250243 is about 63.0164566062.

Adding to 250243 its reverse (342052), we get a palindrome (592295).

Subtracting 250243 from its reverse (342052), we obtain a square (91809 = 303²).

The spelling of 250243 in words is "two hundred fifty thousand, two hundred forty-three".