3200530505 has 4 divisors (see below), whose sum is σ = 3840636612. Its totient is φ = 2560424400.

The previous prime is 3200530457. The next prime is 3200530507. The reversal of 3200530505 is 5050350023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5050350023 = 523 ⋅9656501.

It can be written as a sum of positive squares in 2 ways, for example, as 2023560256 + 1176970249 = 44984^2 + 34307^2 .

It is not a de Polignac number, because 3200530505 - 2⁶ = 3200530441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3200530507) 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, 320053046 + ... + 320053055.

It is an arithmetic number, because the mean of its divisors is an integer number (960159153).

Almost surely, 2^3200530505 is an apocalyptic number.

It is an amenable number.

3200530505 is a deficient number, since it is larger than the sum of its proper divisors (640106107).

3200530505 is an equidigital number, since it uses as much as digits as its factorization.

3200530505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640106106.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 3200530505 is about 56573.2313466360. The cubic root of 3200530505 is about 1473.6940281703.

Adding to 3200530505 its reverse (5050350023), we get a palindrome (8250880528).

The spelling of 3200530505 in words is "three billion, two hundred million, five hundred thirty thousand, five hundred five".