2541452321 has 4 divisors (see below), whose sum is σ = 2651950272. Its totient is φ = 2430954372.

The previous prime is 2541452219. The next prime is 2541452387. The reversal of 2541452321 is 1232541452.

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 a de Polignac number, because none of the positive numbers 2^k-2541452321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541452021) 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, 55248941 + ... + 55248986.

It is an arithmetic number, because the mean of its divisors is an integer number (662987568).

Almost surely, 2^2541452321 is an apocalyptic number.

It is an amenable number.

2541452321 is a deficient number, since it is larger than the sum of its proper divisors (110497951).

2541452321 is a wasteful number, since it uses less digits than its factorization.

2541452321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110497950.

The product of its digits is 9600, while the sum is 29.

The square root of 2541452321 is about 50412.8190146117. The cubic root of 2541452321 is about 1364.6689874366.

Adding to 2541452321 its reverse (1232541452), we get a palindrome (3773993773).

The spelling of 2541452321 in words is "two billion, five hundred forty-one million, four hundred fifty-two thousand, three hundred twenty-one".