243253350 has 72 divisors (see below), whose sum is σ = 656545032. Its totient is φ = 64569600.

The previous prime is 243253343. The next prime is 243253393. The reversal of 243253350 is 53352342.

243253350 is a `hidden beast` number, since 2 + 4 + 325 + 335 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107329 + ... + 109571.

It is an arithmetic number, because the mean of its divisors is an integer number (9118681).

Almost surely, 2^243253350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243253350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328272516).

243253350 is an abundant number, since it is smaller than the sum of its proper divisors (413291682).

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

243253350 is a wasteful number, since it uses less digits than its factorization.

243253350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 243253350 is about 15596.5813561819. The cubic root of 243253350 is about 624.2419395895.

The spelling of 243253350 in words is "two hundred forty-three million, two hundred fifty-three thousand, three hundred fifty".