206504525242 has 16 divisors (see below), whose sum is σ = 320540486760. Its totient is φ = 99659972608.

The previous prime is 206504525233. The next prime is 206504525243. The reversal of 206504525242 is 242525405602.

It can be written as a sum of positive squares in 4 ways, for example, as 205670413081 + 834112161 = 453509^2 + 28881^2 .

It is not an unprimeable number, because it can be changed into a prime (206504525243) 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, 385543 + ... + 749434.

Almost surely, 2^206504525242 is an apocalyptic number.

206504525242 is a deficient number, since it is larger than the sum of its proper divisors (114035961518).

206504525242 is a wasteful number, since it uses less digits than its factorization.

206504525242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138145.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 206504525242 in words is "two hundred six billion, five hundred four million, five hundred twenty-five thousand, two hundred forty-two".