204311252 has 6 divisors (see below), whose sum is σ = 357544698. Its totient is φ = 102155624.

The previous prime is 204311249. The next prime is 204311267. The reversal of 204311252 is 252113402.

It can be written as a sum of positive squares in only one way, i.e., 131652676 + 72658576 = 11474^2 + 8524^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25538903 + ... + 25538910.

It is an arithmetic number, because the mean of its divisors is an integer number (59590783).

Almost surely, 2^204311252 is an apocalyptic number.

It is an amenable number.

204311252 is a deficient number, since it is larger than the sum of its proper divisors (153233446).

204311252 is a wasteful number, since it uses less digits than its factorization.

204311252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51077817 (or 51077815 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204311252 is about 14293.7487035417. The cubic root of 204311252 is about 588.9757696638.

Adding to 204311252 its reverse (252113402), we get a palindrome (456424654).

The spelling of 204311252 in words is "two hundred four million, three hundred eleven thousand, two hundred fifty-two".