243248252 has 24 divisors (see below), whose sum is σ = 459623136. Its totient is φ = 111976128.

The previous prime is 243248237. The next prime is 243248261. The reversal of 243248252 is 252842342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14753 + ... + 26535.

It is an arithmetic number, because the mean of its divisors is an integer number (19150964).

Almost surely, 2^243248252 is an apocalyptic number.

It is an amenable number.

243248252 is a deficient number, since it is larger than the sum of its proper divisors (216374884).

243248252 is a wasteful number, since it uses less digits than its factorization.

243248252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197 (or 12195 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

The square root of 243248252 is about 15596.4179220743. The cubic root of 243248252 is about 624.2375786935.

The spelling of 243248252 in words is "two hundred forty-three million, two hundred forty-eight thousand, two hundred fifty-two".