3205130505 has 8 divisors (see below), whose sum is σ = 5128208832. Its totient is φ = 1709402928.

The previous prime is 3205130497. The next prime is 3205130629. The reversal of 3205130505 is 5050315023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3205130505 - 2³ = 3205130497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106837669 + ... + 106837698.

It is an arithmetic number, because the mean of its divisors is an integer number (641026104).

Almost surely, 2^3205130505 is an apocalyptic number.

It is an amenable number.

3205130505 is a deficient number, since it is larger than the sum of its proper divisors (1923078327).

3205130505 is a wasteful number, since it uses less digits than its factorization.

3205130505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213675375.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 3205130505 is about 56613.8720191439. The cubic root of 3205130505 is about 1474.3997181989.

Adding to 3205130505 its reverse (5050315023), we get a palindrome (8255445528).

The spelling of 3205130505 in words is "three billion, two hundred five million, one hundred thirty thousand, five hundred five".