206133625 has 16 divisors (see below), whose sum is σ = 259154064. Its totient is φ = 163689600.

The previous prime is 206133617. The next prime is 206133643. The reversal of 206133625 is 526331602.

206133625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 128323584 + 77810041 = 11328^2 + 8821^2 .

It is not a de Polignac number, because 206133625 - 2³ = 206133617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206133593 and 206133602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11107 + ... + 23143.

It is an arithmetic number, because the mean of its divisors is an integer number (16197129).

Almost surely, 2^206133625 is an apocalyptic number.

206133625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206133625 is a deficient number, since it is larger than the sum of its proper divisors (53020439).

206133625 is a wasteful number, since it uses less digits than its factorization.

206133625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189 (or 12179 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 206133625 is about 14357.3543872122. The cubic root of 206133625 is about 590.7217300022.

The spelling of 206133625 in words is "two hundred six million, one hundred thirty-three thousand, six hundred twenty-five".