530205215 has 4 divisors (see below), whose sum is σ = 636246264. Its totient is φ = 424164168.

The previous prime is 530205191. The next prime is 530205217. The reversal of 530205215 is 512502035.

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

It is a cyclic number.

It is not a de Polignac number, because 530205215 - 2²⁸ = 261769759 is a prime.

It is a super-2 number, since 2×530205215² = 562235140026392450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530205217) 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, 53020517 + ... + 53020526.

It is an arithmetic number, because the mean of its divisors is an integer number (159061566).

Almost surely, 2^530205215 is an apocalyptic number.

530205215 is a deficient number, since it is larger than the sum of its proper divisors (106041049).

530205215 is a wasteful number, since it uses less digits than its factorization.

530205215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106041048.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 530205215 is about 23026.1854200821. The cubic root of 530205215 is about 809.3716688940.

The spelling of 530205215 in words is "five hundred thirty million, two hundred five thousand, two hundred fifteen".