204501725 has 12 divisors (see below), whose sum is σ = 254311476. Its totient is φ = 163130880.

The previous prime is 204501697. The next prime is 204501757. The reversal of 204501725 is 527105402.

204501725 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 6 ways, for example, as 52374169 + 152127556 = 7237^2 + 12334^2 .

It is not a de Polignac number, because 204501725 - 2⁸ = 204501469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204501694 and 204501703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2762 + ... + 20411.

It is an arithmetic number, because the mean of its divisors is an integer number (21192623).

Almost surely, 2^204501725 is an apocalyptic number.

204501725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204501725 is a deficient number, since it is larger than the sum of its proper divisors (49809751).

204501725 is a wasteful number, since it uses less digits than its factorization.

204501725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23536 (or 23531 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 204501725 is about 14300.4099591585. The cubic root of 204501725 is about 589.1587407220.

The spelling of 204501725 in words is "two hundred four million, five hundred one thousand, seven hundred twenty-five".