1530315305 has 8 divisors (see below), whose sum is σ = 1836593352. Its totient is φ = 1224108928.

The previous prime is 1530315289. The next prime is 1530315307. The reversal of 1530315305 is 5035130351.

It can be written as a sum of positive squares in 4 ways, for example, as 52374169 + 1477941136 = 7237^2 + 38444^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1530315305 - 2⁴ = 1530315289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530315307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59399 + ... + 81171.

It is an arithmetic number, because the mean of its divisors is an integer number (229574169).

Almost surely, 2^1530315305 is an apocalyptic number.

It is an amenable number.

1530315305 is a deficient number, since it is larger than the sum of its proper divisors (306278047).

1530315305 is a wasteful number, since it uses less digits than its factorization.

1530315305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35835.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 1530315305 is about 39119.2446885162. The cubic root of 1530315305 is about 1152.3745027357.

Adding to 1530315305 its reverse (5035130351), we get a palindrome (6565445656).

The spelling of 1530315305 in words is "one billion, five hundred thirty million, three hundred fifteen thousand, three hundred five".