233712252 has 18 divisors (see below), whose sum is σ = 590772728. Its totient is φ = 77904072.

The previous prime is 233712233. The next prime is 233712287. The reversal of 233712252 is 252217332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3245968 + ... + 3246039.

Almost surely, 2^233712252 is an apocalyptic number.

It is an amenable number.

233712252 is an abundant number, since it is smaller than the sum of its proper divisors (357060476).

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

233712252 is a wasteful number, since it uses less digits than its factorization.

233712252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492017 (or 6492012 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 233712252 is about 15287.6503099724. The cubic root of 233712252 is about 615.9713225251.

Adding to 233712252 its reverse (252217332), we get a palindrome (485929584).

The spelling of 233712252 in words is "two hundred thirty-three million, seven hundred twelve thousand, two hundred fifty-two".