243112552 has 16 divisors (see below), whose sum is σ = 457013700. Its totient is φ = 121242240.

The previous prime is 243112531. The next prime is 243112559. The reversal of 243112552 is 255211342.

It can be written as a sum of positive squares in 2 ways, for example, as 240064036 + 3048516 = 15494^2 + 1746^2 .

It is not an unprimeable number, because it can be changed into a prime (243112559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35949 + ... + 42172.

Almost surely, 2^243112552 is an apocalyptic number.

It is an amenable number.

243112552 is a deficient number, since it is larger than the sum of its proper divisors (213901148).

243112552 is a wasteful number, since it uses less digits than its factorization.

243112552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78516 (or 78512 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 243112552 is about 15592.0669572703. The cubic root of 243112552 is about 624.1214767336.

Adding to 243112552 its reverse (255211342), we get a palindrome (498323894).

The spelling of 243112552 in words is "two hundred forty-three million, one hundred twelve thousand, five hundred fifty-two".