243351052 has 18 divisors (see below), whose sum is σ = 495393612. Its totient is φ = 104293224.

The previous prime is 243351029. The next prime is 243351067. The reversal of 243351052 is 250153342.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620598 + ... + 620989.

Almost surely, 2^243351052 is an apocalyptic number.

It is an amenable number.

243351052 is an abundant number, since it is smaller than the sum of its proper divisors (252042560).

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

243351052 is a wasteful number, since it uses less digits than its factorization.

243351052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241605 (or 1241596 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 243351052 is about 15599.7132024919. The cubic root of 243351052 is about 624.3255033888.

The spelling of 243351052 in words is "two hundred forty-three million, three hundred fifty-one thousand, fifty-two".