1000530513 has 6 divisors (see below), whose sum is σ = 1445210754. Its totient is φ = 667020336.

The previous prime is 1000530491. The next prime is 1000530523. The reversal of 1000530513 is 3150350001.

It is a happy number.

1000530513 is a `hidden beast` number, since 100 + 0 + 53 + 0 + 513 = 666.

1000530513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 977375169 + 23155344 = 31263^2 + 4812^2 .

It is not a de Polignac number, because 1000530513 - 2¹⁷ = 1000399441 is a prime.

It is a super-2 number, since 2×1000530513² = 2002122614888086338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000530523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55585020 + ... + 55585037.

It is an arithmetic number, because the mean of its divisors is an integer number (240868459).

Almost surely, 2^1000530513 is an apocalyptic number.

It is an amenable number.

1000530513 is a deficient number, since it is larger than the sum of its proper divisors (444680241).

1000530513 is a wasteful number, since it uses less digits than its factorization.

1000530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111170063 (or 111170060 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1000530513 is about 31631.1636365152. The cubic root of 1000530513 is about 1000.1768064043.

Adding to 1000530513 its reverse (3150350001), we get a palindrome (4150880514).

The spelling of 1000530513 in words is "one billion, five hundred thirty thousand, five hundred thirteen".