243542252 has 12 divisors (see below), whose sum is σ = 431334456. Its totient is φ = 120303840.

The previous prime is 243542249. The next prime is 243542263. The reversal of 243542252 is 252245342.

It is a super-3 number, since 3×243542252³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366449 + ... + 367112.

It is an arithmetic number, because the mean of its divisors is an integer number (35944538).

Almost surely, 2^243542252 is an apocalyptic number.

It is an amenable number.

243542252 is a deficient number, since it is larger than the sum of its proper divisors (187792204).

243542252 is a wasteful number, since it uses less digits than its factorization.

243542252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733648 (or 733646 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 243542252 is about 15605.8403170095. The cubic root of 243542252 is about 624.4889706456.

Adding to 243542252 its reverse (252245342), we get a palindrome (495787594).

The spelling of 243542252 in words is "two hundred forty-three million, five hundred forty-two thousand, two hundred fifty-two".