530320345 has 4 divisors (see below), whose sum is σ = 636384420. Its totient is φ = 424256272.

The previous prime is 530320327. The next prime is 530320367. The reversal of 530320345 is 543023035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543023035 = 5 ⋅108604607.

It can be written as a sum of positive squares in 2 ways, for example, as 328225689 + 202094656 = 18117^2 + 14216^2 .

It is a cyclic number.

It is not a de Polignac number, because 530320345 - 2⁵ = 530320313 is a prime.

It is an unprimeable number.

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, 53032030 + ... + 53032039.

It is an arithmetic number, because the mean of its divisors is an integer number (159096105).

Almost surely, 2^530320345 is an apocalyptic number.

It is an amenable number.

530320345 is a deficient number, since it is larger than the sum of its proper divisors (106064075).

530320345 is a wasteful number, since it uses less digits than its factorization.

530320345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106064074.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 530320345 is about 23028.6852642525. The cubic root of 530320345 is about 809.4302476064.

The spelling of 530320345 in words is "five hundred thirty million, three hundred twenty thousand, three hundred forty-five".