530525305 has 4 divisors (see below), whose sum is σ = 636630372. Its totient is φ = 424420240.

The previous prime is 530525287. The next prime is 530525327. The reversal of 530525305 is 503525035.

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 306005049 + 224520256 = 17493^2 + 14984^2 .

It is not a de Polignac number, because 530525305 - 2¹⁵ = 530492537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53052526 + ... + 53052535.

It is an arithmetic number, because the mean of its divisors is an integer number (159157593).

Almost surely, 2^530525305 is an apocalyptic number.

It is an amenable number.

530525305 is a deficient number, since it is larger than the sum of its proper divisors (106105067).

530525305 is a wasteful number, since it uses less digits than its factorization.

530525305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106105066.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 530525305 is about 23033.1349364345. The cubic root of 530525305 is about 809.5345112885.

The spelling of 530525305 in words is "five hundred thirty million, five hundred twenty-five thousand, three hundred five".