205045252 has 6 divisors (see below), whose sum is σ = 358829198. Its totient is φ = 102522624.

The previous prime is 205045249. The next prime is 205045271. The reversal of 205045252 is 252540502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 203233536 + 1811716 = 14256^2 + 1346^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25630653 + ... + 25630660.

Almost surely, 2^205045252 is an apocalyptic number.

It is an amenable number.

205045252 is a deficient number, since it is larger than the sum of its proper divisors (153783946).

205045252 is a wasteful number, since it uses less digits than its factorization.

205045252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51261317 (or 51261315 counting only the distinct ones).

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

The square root of 205045252 is about 14319.4012444655. The cubic root of 205045252 is about 589.6802365724.

Adding to 205045252 its reverse (252540502), we get a palindrome (457585754).

The spelling of 205045252 in words is "two hundred five million, forty-five thousand, two hundred fifty-two".