1330520563 has 8 divisors (see below), whose sum is σ = 1340414208. Its totient is φ = 1320650184.

The previous prime is 1330520549. The next prime is 1330520621. The reversal of 1330520563 is 3650250331.

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 1330520563 - 2¹⁷ = 1330389491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330520063) 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 7 ways as a sum of consecutive naturals, for example, 118720 + ... + 129442.

It is an arithmetic number, because the mean of its divisors is an integer number (167551776).

Almost surely, 2^1330520563 is an apocalyptic number.

1330520563 is a deficient number, since it is larger than the sum of its proper divisors (9893645).

1330520563 is a wasteful number, since it uses less digits than its factorization.

1330520563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11633.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 1330520563 is about 36476.3013887099. The cubic root of 1330520563 is about 1099.8679078300.

Adding to 1330520563 its reverse (3650250331), we get a palindrome (4980770894).

The spelling of 1330520563 in words is "one billion, three hundred thirty million, five hundred twenty thousand, five hundred sixty-three".