2533521436 has 12 divisors (see below), whose sum is σ = 4458159160. Its totient is φ = 1259761680.

The previous prime is 2533521391. The next prime is 2533521449. The reversal of 2533521436 is 6341253352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748946 + ... + 1750393.

Almost surely, 2^2533521436 is an apocalyptic number.

It is an amenable number.

2533521436 is a deficient number, since it is larger than the sum of its proper divisors (1924637724).

2533521436 is a wasteful number, since it uses less digits than its factorization.

2533521436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499524 (or 3499522 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 2533521436 is about 50334.0981442998. The cubic root of 2533521436 is about 1363.2479744157.

Adding to 2533521436 its reverse (6341253352), we get a palindrome (8874774788).

The spelling of 2533521436 in words is "two billion, five hundred thirty-three million, five hundred twenty-one thousand, four hundred thirty-six".