206125 has 16 divisors (see below), whose sum is σ = 275184. Its totient is φ = 153600.

The previous prime is 206123. The next prime is 206153. The reversal of 206125 is 521602.

It is a happy number.

206125 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 44521 + 161604 = 211^2 + 402^2 .

It is a sliding number, since 206125 = 78125 + 128000 and 1/78125 + 1/128000 = 0.0000206125.

It is not a de Polignac number, because 206125 - 2¹ = 206123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206099 and 206108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (17199).

2²⁰⁶¹²⁵ is an apocalyptic number.

206125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206125 is a deficient number, since it is larger than the sum of its proper divisors (69059).

206125 is an equidigital number, since it uses as much as digits as its factorization.

206125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 206125 is about 454.0099117861. The cubic root of 206125 is about 59.0713490936.

Adding to 206125 its reverse (521602), we get a palindrome (727727).

It can be divided in two parts, 20 and 6125, that multiplied together give a square (122500 = 350²).

The spelling of 206125 in words is "two hundred six thousand, one hundred twenty-five".