204045425 has 6 divisors (see below), whose sum is σ = 253016358. Its totient is φ = 163236320.

The previous prime is 204045419. The next prime is 204045433. The reversal of 204045425 is 524540402.

204045425 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 3 ways, for example, as 12769 + 204032656 = 113^2 + 14284^2 .

It is not a de Polignac number, because 204045425 - 2¹² = 204041329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204045394 and 204045403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4080884 + ... + 4080933.

It is an arithmetic number, because the mean of its divisors is an integer number (42169393).

Almost surely, 2^204045425 is an apocalyptic number.

204045425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204045425 is a deficient number, since it is larger than the sum of its proper divisors (48970933).

204045425 is an equidigital number, since it uses as much as digits as its factorization.

204045425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161827 (or 8161822 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 204045425 is about 14284.4469616433. The cubic root of 204045425 is about 588.7202222879.

Adding to 204045425 its reverse (524540402), we get a palindrome (728585827).

The spelling of 204045425 in words is "two hundred four million, forty-five thousand, four hundred twenty-five".