204943425 has 12 divisors (see below), whose sum is σ = 338839920. Its totient is φ = 109303120.

The previous prime is 204943411. The next prime is 204943429. The reversal of 204943425 is 524349402.

It is not a de Polignac number, because 204943425 - 2⁵ = 204943393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204943429) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1366215 + ... + 1366364.

It is an arithmetic number, because the mean of its divisors is an integer number (28236660).

Almost surely, 2^204943425 is an apocalyptic number.

204943425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204943425 is a deficient number, since it is larger than the sum of its proper divisors (133896495).

204943425 is a wasteful number, since it uses less digits than its factorization.

204943425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732592 (or 2732587 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 204943425 is about 14315.8452422482. The cubic root of 204943425 is about 589.5826072097.

The spelling of 204943425 in words is "two hundred four million, nine hundred forty-three thousand, four hundred twenty-five".