3242505205 has 4 divisors (see below), whose sum is σ = 3891006252. Its totient is φ = 2594004160.

The previous prime is 3242505163. The next prime is 3242505229. The reversal of 3242505205 is 5025052423.

3242505205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1953551601 + 1288953604 = 44199^2 + 35902^2 .

It is not a de Polignac number, because 3242505205 - 2²¹ = 3240408053 is a prime.

It is a Duffinian number.

It is a congruent 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, 324250516 + ... + 324250525.

It is an arithmetic number, because the mean of its divisors is an integer number (972751563).

Almost surely, 2^3242505205 is an apocalyptic number.

It is an amenable number.

3242505205 is a deficient number, since it is larger than the sum of its proper divisors (648501047).

3242505205 is an equidigital number, since it uses as much as digits as its factorization.

3242505205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648501046.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 3242505205 is about 56942.9996136487. Note that the first 3 decimals coincide. The cubic root of 3242505205 is about 1480.1085270124.

Adding to 3242505205 its reverse (5025052423), we get a palindrome (8267557628).

The spelling of 3242505205 in words is "three billion, two hundred forty-two million, five hundred five thousand, two hundred five".