205449052 has 24 divisors (see below), whose sum is σ = 379648640. Its totient is φ = 97012080.

The previous prime is 205449047. The next prime is 205449067. The reversal of 205449052 is 250944502.

205449052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21073 + ... + 29239.

Almost surely, 2^205449052 is an apocalyptic number.

It is an amenable number.

205449052 is a deficient number, since it is larger than the sum of its proper divisors (174199588).

205449052 is a wasteful number, since it uses less digits than its factorization.

205449052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521 (or 8519 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 205449052 is about 14333.4940611143. The cubic root of 205449052 is about 590.0670727156.

The spelling of 205449052 in words is "two hundred five million, four hundred forty-nine thousand, fifty-two".