204342425 has 24 divisors (see below), whose sum is σ = 290904000. Its totient is φ = 139481280.

The previous prime is 204342377. The next prime is 204342443. The reversal of 204342425 is 524243402.

It is a happy number.

It is not a de Polignac number, because 204342425 - 2⁶ = 204342361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204342394 and 204342403.

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, 37526 + ... + 42624.

It is an arithmetic number, because the mean of its divisors is an integer number (12121000).

Almost surely, 2^204342425 is an apocalyptic number.

204342425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204342425 is a deficient number, since it is larger than the sum of its proper divisors (86561575).

204342425 is a wasteful number, since it uses less digits than its factorization.

204342425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5340 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 204342425 is about 14294.8391036765. The cubic root of 204342425 is about 589.0057226690.

Adding to 204342425 its reverse (524243402), we get a palindrome (728585827).

The spelling of 204342425 in words is "two hundred four million, three hundred forty-two thousand, four hundred twenty-five".