2152213133 has 6 divisors (see below), whose sum is σ = 2503594926. Its totient is φ = 1844754072.

The previous prime is 2152213127. The next prime is 2152213139. The reversal of 2152213133 is 3313122512.

It is an interprime number because it is at equal distance from previous prime (2152213127) and next prime (2152213139).

It can be written as a sum of positive squares in only one way, i.e., 2146746889 + 5466244 = 46333^2 + 2338^2 .

It is not a de Polignac number, because 2152213133 - 2⁶ = 2152213069 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2152213099 and 2152213108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152213139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21961310 + ... + 21961407.

It is an arithmetic number, because the mean of its divisors is an integer number (417265821).

Almost surely, 2^2152213133 is an apocalyptic number.

It is an amenable number.

2152213133 is a deficient number, since it is larger than the sum of its proper divisors (351381793).

2152213133 is an equidigital number, since it uses as much as digits as its factorization.

2152213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43922731 (or 43922724 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 2152213133 is about 46391.9511661236. The cubic root of 2152213133 is about 1291.1055828567.

Adding to 2152213133 its reverse (3313122512), we get a palindrome (5465335645).

The spelling of 2152213133 in words is "two billion, one hundred fifty-two million, two hundred thirteen thousand, one hundred thirty-three".