243325 has 6 divisors (see below), whose sum is σ = 301754. Its totient is φ = 194640.

The previous prime is 243311. The next prime is 243343. The reversal of 243325 is 523342.

It can be written as a sum of positive squares in 3 ways, for example, as 47961 + 195364 = 219^2 + 442^2 .

It is not a de Polignac number, because 243325 - 2⁷ = 243197 is a prime.

It is a d-powerful number, because it can be written as 2 + 4⁸ + 3 + 3¹¹ + 2⁹ + 5³ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4842 + ... + 4891.

2²⁴³³²⁵ is an apocalyptic number.

243325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243325 is a deficient number, since it is larger than the sum of its proper divisors (58429).

243325 is an equidigital number, since it uses as much as digits as its factorization.

243325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743 (or 9738 counting only the distinct ones).

The product of its digits is 720, while the sum is 19.

The square root of 243325 is about 493.2798394421. The cubic root of 243325 is about 62.4303223493.

Adding to 243325 its reverse (523342), we get a palindrome (766667).

It can be divided in two parts, 24 and 3325, that multiplied together give a triangular number (79800 = T₃₉₉).

The spelling of 243325 in words is "two hundred forty-three thousand, three hundred twenty-five".