2442141521 has 2 divisors, whose sum is σ = 2442141522. Its totient is φ = 2442141520.

The previous prime is 2442141503. The next prime is 2442141557. The reversal of 2442141521 is 1251412442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1342489600 + 1099651921 = 36640^2 + 33161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442141521 - 2²² = 2437947217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2442140521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221070760 + 1221070761.

It is an arithmetic number, because the mean of its divisors is an integer number (1221070761).

Almost surely, 2^2442141521 is an apocalyptic number.

It is an amenable number.

2442141521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442141521 is an equidigital number, since it uses as much as digits as its factorization.

2442141521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 26.

The square root of 2442141521 is about 49418.0282993970. The cubic root of 2442141521 is about 1346.6568436678.

Adding to 2442141521 its reverse (1251412442), we get a palindrome (3693553963).

The spelling of 2442141521 in words is "two billion, four hundred forty-two million, one hundred forty-one thousand, five hundred twenty-one".