2812512505 has 24 divisors (see below), whose sum is σ = 3714262272. Its totient is φ = 2042964000.

The previous prime is 2812512499. The next prime is 2812512509. The reversal of 2812512505 is 5052152182.

It is not a de Polignac number, because 2812512505 - 2¹³ = 2812504313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2812512509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597210 + ... + 601900.

It is an arithmetic number, because the mean of its divisors is an integer number (154760928).

Almost surely, 2^2812512505 is an apocalyptic number.

It is an amenable number.

2812512505 is a deficient number, since it is larger than the sum of its proper divisors (901749767).

2812512505 is a wasteful number, since it uses less digits than its factorization.

2812512505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 2812512505 is about 53033.1264871307. The cubic root of 2812512505 is about 1411.5561353461.

Adding to 2812512505 its reverse (5052152182), we get a palindrome (7864664687).

The spelling of 2812512505 in words is "two billion, eight hundred twelve million, five hundred twelve thousand, five hundred five".