1530638141 has 2 divisors, whose sum is σ = 1530638142. Its totient is φ = 1530638140.

The previous prime is 1530638071. The next prime is 1530638177. The reversal of 1530638141 is 1418360351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044259225 + 486378916 = 32315^2 + 22054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530638141 - 2¹⁸ = 1530375997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1530638098 and 1530638107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530638041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765319070 + 765319071.

It is an arithmetic number, because the mean of its divisors is an integer number (765319071).

Almost surely, 2^1530638141 is an apocalyptic number.

It is an amenable number.

1530638141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530638141 is an equidigital number, since it uses as much as digits as its factorization.

1530638141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1530638141 is about 39123.3707775800. The cubic root of 1530638141 is about 1152.4555321845.

Adding to 1530638141 its reverse (1418360351), we get a palindrome (2948998492).

The spelling of 1530638141 in words is "one billion, five hundred thirty million, six hundred thirty-eight thousand, one hundred forty-one".