530724305 has 4 divisors (see below), whose sum is σ = 636869172. Its totient is φ = 424579440.

The previous prime is 530724301. The next prime is 530724307. The reversal of 530724305 is 503427035.

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 238177489 + 292546816 = 15433^2 + 17104^2 .

It is not a de Polignac number, because 530724305 - 2² = 530724301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530724301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53072426 + ... + 53072435.

It is an arithmetic number, because the mean of its divisors is an integer number (159217293).

Almost surely, 2^530724305 is an apocalyptic number.

It is an amenable number.

530724305 is a deficient number, since it is larger than the sum of its proper divisors (106144867).

530724305 is a wasteful number, since it uses less digits than its factorization.

530724305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106144866.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 530724305 is about 23037.4543949630. The cubic root of 530724305 is about 809.6357174125.

The spelling of 530724305 in words is "five hundred thirty million, seven hundred twenty-four thousand, three hundred five".