530398369 has 4 divisors (see below), whose sum is σ = 535649940. Its totient is φ = 525146800.

The previous prime is 530398361. The next prime is 530398373. The reversal of 530398369 is 963893035.

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 289000000 + 241398369 = 17000^2 + 15537^2 .

It is a cyclic number.

It is not a de Polignac number, because 530398369 - 2³ = 530398361 is a prime.

It is a super-2 number, since 2×530398369² = 562644859675720322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530398361) 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, 2625634 + ... + 2625835.

It is an arithmetic number, because the mean of its divisors is an integer number (133912485).

Almost surely, 2^530398369 is an apocalyptic number.

It is an amenable number.

530398369 is a deficient number, since it is larger than the sum of its proper divisors (5251571).

530398369 is a wasteful number, since it uses less digits than its factorization.

530398369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251570.

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 530398369 is about 23030.3792630517. The cubic root of 530398369 is about 809.4699417832.

The spelling of 530398369 in words is "five hundred thirty million, three hundred ninety-eight thousand, three hundred sixty-nine".