204867725 has 12 divisors (see below), whose sum is σ = 254338260. Its totient is φ = 163699200.

The previous prime is 204867713. The next prime is 204867749. The reversal of 204867725 is 527768402.

It can be written as a sum of positive squares in 6 ways, for example, as 30680521 + 174187204 = 5539^2 + 13198^2 .

It is not a de Polignac number, because 204867725 - 2¹⁴ = 204851341 is a prime.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 18815 + ... + 27635.

It is an arithmetic number, because the mean of its divisors is an integer number (21194855).

Almost surely, 2^204867725 is an apocalyptic number.

204867725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204867725 is a deficient number, since it is larger than the sum of its proper divisors (49470535).

204867725 is an equidigital number, since it uses as much as digits as its factorization.

204867725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9760 (or 9755 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 204867725 is about 14313.2010745326. The cubic root of 204867725 is about 589.5100068491.

The spelling of 204867725 in words is "two hundred four million, eight hundred sixty-seven thousand, seven hundred twenty-five".