206563252 has 12 divisors (see below), whose sum is σ = 413126560. Its totient is φ = 88527096.

The previous prime is 206563241. The next prime is 206563309. The reversal of 206563252 is 252365602.

206563252 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 3688602 + ... + 3688657.

Almost surely, 2^206563252 is an apocalyptic number.

It is an amenable number.

206563252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206563252 is a wasteful number, since it uses less digits than its factorization.

206563252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377270 (or 7377268 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 206563252 is about 14372.3085132487. The cubic root of 206563252 is about 591.1318424408.

The spelling of 206563252 in words is "two hundred six million, five hundred sixty-three thousand, two hundred fifty-two".