1530485305 has 4 divisors (see below), whose sum is σ = 1836582372. Its totient is φ = 1224388240.

The previous prime is 1530485291. The next prime is 1530485309. The reversal of 1530485305 is 5035840351.

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

It can be written as a sum of positive squares in 2 ways, for example, as 803212281 + 727273024 = 28341^2 + 26968^2 .

It is not a de Polignac number, because 1530485305 - 2²¹ = 1528388153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530485309) 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 in 3 ways as a sum of consecutive naturals, for example, 153048526 + ... + 153048535.

It is an arithmetic number, because the mean of its divisors is an integer number (459145593).

Almost surely, 2^1530485305 is an apocalyptic number.

It is an amenable number.

1530485305 is a deficient number, since it is larger than the sum of its proper divisors (306097067).

1530485305 is an equidigital number, since it uses as much as digits as its factorization.

1530485305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306097066.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1530485305 is about 39121.4174717635. The cubic root of 1530485305 is about 1152.4171728989.

The spelling of 1530485305 in words is "one billion, five hundred thirty million, four hundred eighty-five thousand, three hundred five".