2521133312 has 36 divisors (see below), whose sum is σ = 5040136080. Its totient is φ = 1258633728.

The previous prime is 2521133287. The next prime is 2521133317. The reversal of 2521133312 is 2133311252.

It is a super-2 number, since 2×2521133312² = 12712226353752178688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2521133317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167639 + ... + 182057.

It is an arithmetic number, because the mean of its divisors is an integer number (140003780).

Almost surely, 2^2521133312 is an apocalyptic number.

It is an amenable number.

2521133312 is a deficient number, since it is larger than the sum of its proper divisors (2519002768).

2521133312 is an equidigital number, since it uses as much as digits as its factorization.

2521133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15118 (or 15104 counting only the distinct ones).

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

The square root of 2521133312 is about 50210.8883809080. Note that the first 3 decimals coincide. The cubic root of 2521133312 is about 1361.0223915388.

Adding to 2521133312 its reverse (2133311252), we get a palindrome (4654444564).

The spelling of 2521133312 in words is "two billion, five hundred twenty-one million, one hundred thirty-three thousand, three hundred twelve".