130521444241 has 2 divisors, whose sum is σ = 130521444242. Its totient is φ = 130521444240.

The previous prime is 130521444217. The next prime is 130521444259. The reversal of 130521444241 is 142444125031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123633108225 + 6888336016 = 351615^2 + 82996^2 .

It is a cyclic number.

It is not a de Polignac number, because 130521444241 - 2⁹ = 130521443729 is a prime.

It is not a weakly prime, because it can be changed into another prime (130521444211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65260722120 + 65260722121.

It is an arithmetic number, because the mean of its divisors is an integer number (65260722121).

Almost surely, 2^130521444241 is an apocalyptic number.

It is an amenable number.

130521444241 is a deficient number, since it is larger than the sum of its proper divisors (1).

130521444241 is an equidigital number, since it uses as much as digits as its factorization.

130521444241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 130521444241 its reverse (142444125031), we get a palindrome (272965569272).

The spelling of 130521444241 in words is "one hundred thirty billion, five hundred twenty-one million, four hundred forty-four thousand, two hundred forty-one".