204031125 has 24 divisors (see below), whose sum is σ = 367802136. Its totient is φ = 108816000.

The previous prime is 204031109. The next prime is 204031133. The reversal of 204031125 is 521130402.

It can be written as a sum of positive squares in 4 ways, for example, as 54066609 + 149964516 = 7353^2 + 12246^2 .

It is not a de Polignac number, because 204031125 - 2⁴ = 204031109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204031098 and 204031107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89556 + ... + 91805.

It is an arithmetic number, because the mean of its divisors is an integer number (15325089).

Almost surely, 2^204031125 is an apocalyptic number.

204031125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204031125 is a deficient number, since it is larger than the sum of its proper divisors (163771011).

204031125 is a wasteful number, since it uses less digits than its factorization.

204031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181382 (or 181369 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 204031125 is about 14283.9464084685. The cubic root of 204031125 is about 588.7064689845.

Adding to 204031125 its reverse (521130402), we get a palindrome (725161527).

It can be divided in two parts, 20403 and 1125, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 204031125 in words is "two hundred four million, thirty-one thousand, one hundred twenty-five".