530805505 has 4 divisors (see below), whose sum is σ = 636966612. Its totient is φ = 424644400.

The previous prime is 530805491. The next prime is 530805511. The reversal of 530805505 is 505508035.

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 134954689 + 395850816 = 11617^2 + 19896^2 .

It is not a de Polignac number, because 530805505 - 2²¹ = 528708353 is a prime.

It is a Duffinian 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, 53080546 + ... + 53080555.

It is an arithmetic number, because the mean of its divisors is an integer number (159241653).

Almost surely, 2^530805505 is an apocalyptic number.

It is an amenable number.

530805505 is a deficient number, since it is larger than the sum of its proper divisors (106161107).

530805505 is a wasteful number, since it uses less digits than its factorization.

530805505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106161106.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 530805505 is about 23039.2166750521. The cubic root of 530805505 is about 809.6770063121.

It can be divided in two parts, 53080 and 5505, that added together give a palindrome (58585).

The spelling of 530805505 in words is "five hundred thirty million, eight hundred five thousand, five hundred five".