1530742043 has 2 divisors, whose sum is σ = 1530742044. Its totient is φ = 1530742042.

The previous prime is 1530742021. The next prime is 1530742063. The reversal of 1530742043 is 3402470351.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1530742043 - 2¹⁰ = 1530741019 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1530741997 and 1530742015.

It is not a weakly prime, because it can be changed into another prime (1530742063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765371021 + 765371022.

It is an arithmetic number, because the mean of its divisors is an integer number (765371022).

Almost surely, 2^1530742043 is an apocalyptic number.

1530742043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530742043 is an equidigital number, since it uses as much as digits as its factorization.

1530742043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1530742043 is about 39124.6986314272. The cubic root of 1530742043 is about 1152.4816083946.

The spelling of 1530742043 in words is "one billion, five hundred thirty million, seven hundred forty-two thousand, forty-three".