2533121560 has 64 divisors (see below), whose sum is σ = 6014347200. Its totient is φ = 958273536.

The previous prime is 2533121557. The next prime is 2533121561. The reversal of 2533121560 is 651213352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533121561) 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 15 ways as a sum of consecutive naturals, for example, 66412 + ... + 97348.

It is an arithmetic number, because the mean of its divisors is an integer number (93974175).

Almost surely, 2^2533121560 is an apocalyptic number.

2533121560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2533121560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3007173600).

2533121560 is an abundant number, since it is smaller than the sum of its proper divisors (3481225640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2533121560 is a wasteful number, since it uses less digits than its factorization.

2533121560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31060 (or 31056 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2533121560 is about 50330.1257697614. The cubic root of 2533121560 is about 1363.1762483165.

The spelling of 2533121560 in words is "two billion, five hundred thirty-three million, one hundred twenty-one thousand, five hundred sixty".