2856252305 has 8 divisors (see below), whose sum is σ = 3431197800. Its totient is φ = 2282538496.

The previous prime is 2856252293. The next prime is 2856252307. The reversal of 2856252305 is 5032526582.

It can be written as a sum of positive squares in 4 ways, for example, as 2876416 + 2853375889 = 1696^2 + 53417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2856252305 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2856252307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302810 + ... + 312099.

It is an arithmetic number, because the mean of its divisors is an integer number (428899725).

Almost surely, 2^2856252305 is an apocalyptic number.

It is an amenable number.

2856252305 is a deficient number, since it is larger than the sum of its proper divisors (574945495).

2856252305 is an equidigital number, since it uses as much as digits as its factorization.

2856252305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615843.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 2856252305 is about 53443.9173807460. The cubic root of 2856252305 is about 1418.8359674664.

Adding to 2856252305 its reverse (5032526582), we get a palindrome (7888778887).

The spelling of 2856252305 in words is "two billion, eight hundred fifty-six million, two hundred fifty-two thousand, three hundred five".