2541443321 has 4 divisors (see below), whose sum is σ = 2566117632. Its totient is φ = 2516769012.

The previous prime is 2541443293. The next prime is 2541443323. The reversal of 2541443321 is 1233441452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2541443321 - 2¹⁰ = 2541442297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541443323) 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, 12337001 + ... + 12337206.

It is an arithmetic number, because the mean of its divisors is an integer number (641529408).

Almost surely, 2^2541443321 is an apocalyptic number.

It is an amenable number.

2541443321 is a deficient number, since it is larger than the sum of its proper divisors (24674311).

2541443321 is a wasteful number, since it uses less digits than its factorization.

2541443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24674310.

The product of its digits is 11520, while the sum is 29.

The square root of 2541443321 is about 50412.7297515221. The cubic root of 2541443321 is about 1364.6673765421.

Adding to 2541443321 its reverse (1233441452), we get a palindrome (3774884773).

The spelling of 2541443321 in words is "two billion, five hundred forty-one million, four hundred forty-three thousand, three hundred twenty-one".