2812532101 has 4 divisors (see below), whose sum is σ = 2851060012. Its totient is φ = 2774004192.

The previous prime is 2812532077. The next prime is 2812532117. The reversal of 2812532101 is 1012352182.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1324887201 + 1487644900 = 36399^2 + 38570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2812532101 - 2¹¹ = 2812530053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812532131) 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 3 ways as a sum of consecutive naturals, for example, 19263846 + ... + 19263991.

It is an arithmetic number, because the mean of its divisors is an integer number (712765003).

Almost surely, 2^2812532101 is an apocalyptic number.

It is an amenable number.

2812532101 is a deficient number, since it is larger than the sum of its proper divisors (38527911).

2812532101 is an equidigital number, since it uses as much as digits as its factorization.

2812532101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38527910.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 2812532101 is about 53033.3112392579. The cubic root of 2812532101 is about 1411.5594136473.

Adding to 2812532101 its reverse (1012352182), we get a palindrome (3824884283).

The spelling of 2812532101 in words is "two billion, eight hundred twelve million, five hundred thirty-two thousand, one hundred one".