204925 has 12 divisors (see below), whose sum is σ = 290656. Its totient is φ = 140400.

The previous prime is 204923. The next prime is 204931. The reversal of 204925 is 529402.

It is a happy number.

204925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204925 - 2¹ = 204923 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

204925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 204896 and 204905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411 + ... + 760.

2²⁰⁴⁹²⁵ is an apocalyptic number.

204925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204925 is a deficient number, since it is larger than the sum of its proper divisors (85731).

204925 is a wasteful number, since it uses less digits than its factorization.

204925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 204925 is about 452.6864256856. The cubic root of 204925 is about 58.9564938293.

The spelling of 204925 in words is "two hundred four thousand, nine hundred twenty-five".