1004365265 has 16 divisors (see below), whose sum is σ = 1301011200. Its totient is φ = 742053312.

The previous prime is 1004365261. The next prime is 1004365273. The reversal of 1004365265 is 5625634001.

It is a cyclic number.

It is not a de Polignac number, because 1004365265 - 2² = 1004365261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1004365261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147245 + ... + 153914.

It is an arithmetic number, because the mean of its divisors is an integer number (81313200).

Almost surely, 2^1004365265 is an apocalyptic number.

It is an amenable number.

1004365265 is a deficient number, since it is larger than the sum of its proper divisors (296645935).

1004365265 is a wasteful number, since it uses less digits than its factorization.

1004365265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301216.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1004365265 is about 31691.7223419618. The cubic root of 1004365265 is about 1001.4529761711.

Adding to 1004365265 its reverse (5625634001), we get a palindrome (6629999266).

The spelling of 1004365265 in words is "one billion, four million, three hundred sixty-five thousand, two hundred sixty-five".