1530830243 has 4 divisors (see below), whose sum is σ = 1568167608. Its totient is φ = 1493492880.

The previous prime is 1530830233. The next prime is 1530830261. The reversal of 1530830243 is 3420380351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1530830243 - 2⁶ = 1530830179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530830233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18668621 + ... + 18668702.

It is an arithmetic number, because the mean of its divisors is an integer number (392041902).

Almost surely, 2^1530830243 is an apocalyptic number.

1530830243 is a deficient number, since it is larger than the sum of its proper divisors (37337365).

1530830243 is an equidigital number, since it uses as much as digits as its factorization.

1530830243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37337364.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1530830243 is about 39125.8257804228. The cubic root of 1530830243 is about 1152.5037429591.

The spelling of 1530830243 in words is "one billion, five hundred thirty million, eight hundred thirty thousand, two hundred forty-three".