205725252 has 24 divisors (see below), whose sum is σ = 480825856. Its totient is φ = 68460768.

The previous prime is 205725241. The next prime is 205725259. The reversal of 205725252 is 252527502.

It is not an unprimeable number, because it can be changed into a prime (205725259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6628 + ... + 21339.

Almost surely, 2^205725252 is an apocalyptic number.

It is an amenable number.

205725252 is an abundant number, since it is smaller than the sum of its proper divisors (275100604).

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

205725252 is a wasteful number, since it uses less digits than its factorization.

205725252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28587 (or 28585 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 205725252 is about 14343.1256007887. The cubic root of 205725252 is about 590.3313775716.

The spelling of 205725252 in words is "two hundred five million, seven hundred twenty-five thousand, two hundred fifty-two".