2805230605 has 32 divisors (see below), whose sum is σ = 3616189920. Its totient is φ = 2081587200.

The previous prime is 2805230569. The next prime is 2805230609. The reversal of 2805230605 is 5060325082.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 898860361 + 1906370244 = 29981^2 + 43662^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2805230605 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805230609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4546257 + ... + 4546873.

It is an arithmetic number, because the mean of its divisors is an integer number (113005935).

Almost surely, 2^2805230605 is an apocalyptic number.

It is an amenable number.

2805230605 is a deficient number, since it is larger than the sum of its proper divisors (810959315).

2805230605 is a wasteful number, since it uses less digits than its factorization.

2805230605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2805230605 is about 52964.4277322053. The cubic root of 2805230605 is about 1410.3368584693.

Adding to 2805230605 its reverse (5060325082), we get a palindrome (7865555687).

The spelling of 2805230605 in words is "two billion, eight hundred five million, two hundred thirty thousand, six hundred five".