206025 has 24 divisors (see below), whose sum is σ = 354144. Its totient is φ = 105600.

The previous prime is 206021. The next prime is 206027. The reversal of 206025 is 520602.

It is not a de Polignac number, because 206025 - 2² = 206021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

206025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 205995 and 206013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206025.

It is not an unprimeable number, because it can be changed into a prime (206021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3042 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (14756).

2²⁰⁶⁰²⁵ is an apocalyptic number.

206025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206025 is a deficient number, since it is larger than the sum of its proper divisors (148119).

206025 is a wasteful number, since it uses less digits than its factorization.

206025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 206025 is about 453.8997686715. The cubic root of 206025 is about 59.0617948741.

Adding to 206025 its reverse (520602), we get a palindrome (726627).

The spelling of 206025 in words is "two hundred six thousand, twenty-five".