2533504243 has 4 divisors (see below), whose sum is σ = 2533613040. Its totient is φ = 2533395448.

The previous prime is 2533504231. The next prime is 2533504249. The reversal of 2533504243 is 3424053352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2533504243 - 2²⁵ = 2499949811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2533504249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748 + ... + 71281.

It is an arithmetic number, because the mean of its divisors is an integer number (633403260).

Almost surely, 2^2533504243 is an apocalyptic number.

2533504243 is a deficient number, since it is larger than the sum of its proper divisors (108797).

2533504243 is an equidigital number, since it uses as much as digits as its factorization.

2533504243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108796.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 2533504243 is about 50333.9273552144. The cubic root of 2533504243 is about 1363.2448906479.

Adding to 2533504243 its reverse (3424053352), we get a palindrome (5957557595).

The spelling of 2533504243 in words is "two billion, five hundred thirty-three million, five hundred four thousand, two hundred forty-three".