1530135241 has 2 divisors, whose sum is σ = 1530135242. Its totient is φ = 1530135240.

The previous prime is 1530135199. The next prime is 1530135253. The reversal of 1530135241 is 1425310351.

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., 829209616 + 700925625 = 28796^2 + 26475^2 .

It is an emirp because it is prime and its reverse (1425310351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1530135241 - 2²¹ = 1528038089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1530135641) 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, 765067620 + 765067621.

It is an arithmetic number, because the mean of its divisors is an integer number (765067621).

Almost surely, 2^1530135241 is an apocalyptic number.

It is an amenable number.

1530135241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530135241 is an equidigital number, since it uses as much as digits as its factorization.

1530135241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1530135241 is about 39116.9431448829. The cubic root of 1530135241 is about 1152.3293030523.

Adding to 1530135241 its reverse (1425310351), we get a palindrome (2955445592).

The spelling of 1530135241 in words is "one billion, five hundred thirty million, one hundred thirty-five thousand, two hundred forty-one".