204556425 has 12 divisors (see below), whose sum is σ = 338200080. Its totient is φ = 109096720.

The previous prime is 204556423. The next prime is 204556433. The reversal of 204556425 is 524655402.

It is not a de Polignac number, because 204556425 - 2¹ = 204556423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204556423) 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, 1363635 + ... + 1363784.

It is an arithmetic number, because the mean of its divisors is an integer number (28183340).

Almost surely, 2^204556425 is an apocalyptic number.

204556425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204556425 is a deficient number, since it is larger than the sum of its proper divisors (133643655).

204556425 is a wasteful number, since it uses less digits than its factorization.

204556425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727432 (or 2727427 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 204556425 is about 14302.3223638680. The cubic root of 204556425 is about 589.2112653159.

The spelling of 204556425 in words is "two hundred four million, five hundred fifty-six thousand, four hundred twenty-five".