204641465 has 16 divisors (see below), whose sum is σ = 292854528. Its totient is φ = 134223936.

The previous prime is 204641417. The next prime is 204641467. The reversal of 204641465 is 564146402.

It is not a de Polignac number, because 204641465 - 2¹⁴ = 204625081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204641467) 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 15 ways as a sum of consecutive naturals, for example, 126302 + ... + 127911.

It is an arithmetic number, because the mean of its divisors is an integer number (18303408).

Almost surely, 2^204641465 is an apocalyptic number.

It is an amenable number.

204641465 is a deficient number, since it is larger than the sum of its proper divisors (88213063).

204641465 is a wasteful number, since it uses less digits than its factorization.

204641465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254248.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 204641465 is about 14305.2949987059. The cubic root of 204641465 is about 589.2929047039.

Adding to 204641465 its reverse (564146402), we get a palindrome (768787867).

The spelling of 204641465 in words is "two hundred four million, six hundred forty-one thousand, four hundred sixty-five".