2533115213 has 4 divisors (see below), whose sum is σ = 2533448220. Its totient is φ = 2532782208.

The previous prime is 2533115191. The next prime is 2533115239. The reversal of 2533115213 is 3125113352.

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 651117289 + 1881997924 = 25517^2 + 43382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533115213 - 2²⁰ = 2532066637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533115813) 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, 154820 + ... + 170397.

It is an arithmetic number, because the mean of its divisors is an integer number (633362055).

Almost surely, 2^2533115213 is an apocalyptic number.

It is an amenable number.

2533115213 is a deficient number, since it is larger than the sum of its proper divisors (333007).

2533115213 is an equidigital number, since it uses as much as digits as its factorization.

2533115213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333006.

The product of its digits is 2700, while the sum is 26.

The square root of 2533115213 is about 50330.0627160348. The cubic root of 2533115213 is about 1363.1751097888.

Adding to 2533115213 its reverse (3125113352), we get a palindrome (5658228565).

The spelling of 2533115213 in words is "two billion, five hundred thirty-three million, one hundred fifteen thousand, two hundred thirteen".