203712252 has 24 divisors (see below), whose sum is σ = 475929216. Its totient is φ = 67818288.

The previous prime is 203712251. The next prime is 203712283. The reversal of 203712252 is 252217302.

It is a happy number.

203712252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203712252² = 82997363229823008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203712251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438 + ... + 20189.

It is an arithmetic number, because the mean of its divisors is an integer number (19830384).

Almost surely, 2^203712252 is an apocalyptic number.

It is an amenable number.

203712252 is an abundant number, since it is smaller than the sum of its proper divisors (272216964).

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

203712252 is a wasteful number, since it uses less digits than its factorization.

203712252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21457 (or 21455 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 203712252 is about 14272.7801076034. The cubic root of 203712252 is about 588.3996195960.

Adding to 203712252 its reverse (252217302), we get a palindrome (455929554).

The spelling of 203712252 in words is "two hundred three million, seven hundred twelve thousand, two hundred fifty-two".