204893265 has 64 divisors (see below), whose sum is σ = 363916800. Its totient is φ = 97972224.

The previous prime is 204893263. The next prime is 204893279. The reversal of 204893265 is 562398402.

It is a happy number.

It is not a de Polignac number, because 204893265 - 2¹ = 204893263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204893263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 761551 + ... + 761819.

It is an arithmetic number, because the mean of its divisors is an integer number (5686200).

Almost surely, 2^204893265 is an apocalyptic number.

It is an amenable number.

204893265 is a deficient number, since it is larger than the sum of its proper divisors (159023535).

204893265 is a wasteful number, since it uses less digits than its factorization.

204893265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 204893265 is about 14314.0932301002. The cubic root of 204893265 is about 589.5345030778.

The spelling of 204893265 in words is "two hundred four million, eight hundred ninety-three thousand, two hundred sixty-five".