2163001252 has 12 divisors (see below), whose sum is σ = 3818750796. Its totient is φ = 1071929600.

The previous prime is 2163001229. The next prime is 2163001271. The reversal of 2163001252 is 2521003612.

It can be written as a sum of positive squares in 2 ways, for example, as 853574656 + 1309426596 = 29216^2 + 36186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392249 + ... + 2393152.

It is an arithmetic number, because the mean of its divisors is an integer number (318229233).

Almost surely, 2^2163001252 is an apocalyptic number.

It is an amenable number.

2163001252 is a deficient number, since it is larger than the sum of its proper divisors (1655749544).

2163001252 is a wasteful number, since it uses less digits than its factorization.

2163001252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785518 (or 4785516 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2163001252 is about 46508.0772769634. The cubic root of 2163001252 is about 1293.2592407750.

Adding to 2163001252 its reverse (2521003612), we get a palindrome (4684004864).

The spelling of 2163001252 in words is "two billion, one hundred sixty-three million, one thousand, two hundred fifty-two".