2544141521 has 2 divisors, whose sum is σ = 2544141522. Its totient is φ = 2544141520.

The previous prime is 2544141473. The next prime is 2544141577. The reversal of 2544141521 is 1251414452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2472078400 + 72063121 = 49720^2 + 8489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2544141521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2544141581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272070760 + 1272070761.

It is an arithmetic number, because the mean of its divisors is an integer number (1272070761).

Almost surely, 2^2544141521 is an apocalyptic number.

It is an amenable number.

2544141521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544141521 is an equidigital number, since it uses as much as digits as its factorization.

2544141521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 29.

The square root of 2544141521 is about 50439.4837503319. The cubic root of 2544141521 is about 1365.1501524993.

Adding to 2544141521 its reverse (1251414452), we get a palindrome (3795555973).

The spelling of 2544141521 in words is "two billion, five hundred forty-four million, one hundred forty-one thousand, five hundred twenty-one".