530199965 has 4 divisors (see below), whose sum is σ = 636239964. Its totient is φ = 424159968.

The previous prime is 530199941. The next prime is 530199977. The reversal of 530199965 is 569991035.

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 81522841 + 448677124 = 9029^2 + 21182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530199965 is a prime.

It is a super-2 number, since 2×530199965² = 562224005772002450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53019992 + ... + 53020001.

It is an arithmetic number, because the mean of its divisors is an integer number (159059991).

Almost surely, 2^530199965 is an apocalyptic number.

It is an amenable number.

530199965 is a deficient number, since it is larger than the sum of its proper divisors (106039999).

530199965 is a wasteful number, since it uses less digits than its factorization.

530199965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106039998.

The product of its (nonzero) digits is 328050, while the sum is 47.

The square root of 530199965 is about 23026.0714191544. The cubic root of 530199965 is about 809.3689974660.

The spelling of 530199965 in words is "five hundred thirty million, one hundred ninety-nine thousand, nine hundred sixty-five".