205225252 has 24 divisors (see below), whose sum is σ = 365420160. Its totient is φ = 100832160.

The previous prime is 205225217. The next prime is 205225253. The reversal of 205225252 is 252522502.

It is not an unprimeable number, because it can be changed into a prime (205225253) 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, 70302 + ... + 73162.

It is an arithmetic number, because the mean of its divisors is an integer number (15225840).

Almost surely, 2^205225252 is an apocalyptic number.

It is an amenable number.

205225252 is a deficient number, since it is larger than the sum of its proper divisors (160194908).

205225252 is a wasteful number, since it uses less digits than its factorization.

205225252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 205225252 is about 14325.6850447021. The cubic root of 205225252 is about 589.8527373537.

Adding to 205225252 its reverse (252522502), we get a palindrome (457747754).

The spelling of 205225252 in words is "two hundred five million, two hundred twenty-five thousand, two hundred fifty-two".