2533041421 has 4 divisors (see below), whose sum is σ = 2533142844. Its totient is φ = 2532940000.

The previous prime is 2533041389. The next prime is 2533041437. The reversal of 2533041421 is 1241403352.

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 can be written as a sum of positive squares in 2 ways, for example, as 1981496196 + 551545225 = 44514^2 + 23485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533041421 - 2⁵ = 2533041389 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 (2533041491) 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 3 ways as a sum of consecutive naturals, for example, 16041 + ... + 72961.

It is an arithmetic number, because the mean of its divisors is an integer number (633285711).

Almost surely, 2^2533041421 is an apocalyptic number.

It is an amenable number.

2533041421 is a deficient number, since it is larger than the sum of its proper divisors (101423).

2533041421 is an equidigital number, since it uses as much as digits as its factorization.

2533041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101422.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2533041421 is about 50329.3296299484. The cubic root of 2533041421 is about 1363.1618728077.

Adding to 2533041421 its reverse (1241403352), we get a palindrome (3774444773).

The spelling of 2533041421 in words is "two billion, five hundred thirty-three million, forty-one thousand, four hundred twenty-one".