243244325 has 12 divisors (see below), whose sum is σ = 302257440. Its totient is φ = 194186160.

The previous prime is 243244307. The next prime is 243244357. The reversal of 243244325 is 523442342.

It is a happy number.

It is not a de Polignac number, because 243244325 - 2²⁰ = 242195749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2186 + ... + 22164.

It is an arithmetic number, because the mean of its divisors is an integer number (25188120).

Almost surely, 2^243244325 is an apocalyptic number.

243244325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243244325 is a deficient number, since it is larger than the sum of its proper divisors (59013115).

243244325 is a wasteful number, since it uses less digits than its factorization.

243244325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20476 (or 20471 counting only the distinct ones).

The product of its digits is 23040, while the sum is 29.

The square root of 243244325 is about 15596.2920272737. The cubic root of 243244325 is about 624.2342194448.

Adding to 243244325 its reverse (523442342), we get a palindrome (766686667).

The spelling of 243244325 in words is "two hundred forty-three million, two hundred forty-four thousand, three hundred twenty-five".