243250 has 32 divisors (see below), whose sum is σ = 524160. Its totient is φ = 82800.

The previous prime is 243239. The next prime is 243259. The reversal of 243250 is 52342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681 + ... + 1819.

It is an arithmetic number, because the mean of its divisors is an integer number (16380).

2²⁴³²⁵⁰ is an apocalyptic number.

243250 is an abundant number, since it is smaller than the sum of its proper divisors (280910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243250 is a wasteful number, since it uses less digits than its factorization.

243250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 153 counting only the distinct ones).

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

The square root of 243250 is about 493.2038118263. The cubic root of 243250 is about 62.4239073962.

Adding to 243250 its reverse (52342), we get a palindrome (295592).

The spelling of 243250 in words is "two hundred forty-three thousand, two hundred fifty".