2533524221 has 8 divisors (see below), whose sum is σ = 2645427840. Its totient is φ = 2421766512.

The previous prime is 2533524211. The next prime is 2533524283. The reversal of 2533524221 is 1224253352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2533524221 - 2³⁰ = 1459782397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533524211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 71183.

It is an arithmetic number, because the mean of its divisors is an integer number (330678480).

Almost surely, 2^2533524221 is an apocalyptic number.

It is an amenable number.

2533524221 is a deficient number, since it is larger than the sum of its proper divisors (111903619).

2533524221 is a wasteful number, since it uses less digits than its factorization.

2533524221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72955.

The product of its digits is 14400, while the sum is 29.

The square root of 2533524221 is about 50334.1258094347. The cubic root of 2533524221 is about 1363.2484739370.

Adding to 2533524221 its reverse (1224253352), we get a palindrome (3757777573).

The spelling of 2533524221 in words is "two billion, five hundred thirty-three million, five hundred twenty-four thousand, two hundred twenty-one".