206235004525 has 18 divisors (see below), whose sum is σ = 281093202026. Its totient is φ = 149989092000.

The previous prime is 206235004489. The next prime is 206235004531. The reversal of 206235004525 is 525400532602.

It can be written as a sum of positive squares in 3 ways, for example, as 6773619204 + 199461385321 = 82302^2 + 446611^2 .

It is not a de Polignac number, because 206235004525 - 2⁷ = 206235004397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34085406 + ... + 34091455.

Almost surely, 2^206235004525 is an apocalyptic number.

206235004525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206235004525 is a deficient number, since it is larger than the sum of its proper divisors (74858197501).

206235004525 is a wasteful number, since it uses less digits than its factorization.

206235004525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68176893 (or 68176877 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 206235004525 in words is "two hundred six billion, two hundred thirty-five million, four thousand, five hundred twenty-five".