3206243605 has 16 divisors (see below), whose sum is σ = 4078683504. Its totient is φ = 2411228160.

The previous prime is 3206243591. The next prime is 3206243609. The reversal of 3206243605 is 5063426023.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 67667076 + 3138576529 = 8226^2 + 56023^2 .

It is not a de Polignac number, because 3206243605 - 2⁹ = 3206243093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206243609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50395 + ... + 94615.

It is an arithmetic number, because the mean of its divisors is an integer number (254917719).

Almost surely, 2^3206243605 is an apocalyptic number.

It is an amenable number.

3206243605 is a deficient number, since it is larger than the sum of its proper divisors (872439899).

3206243605 is a wasteful number, since it uses less digits than its factorization.

3206243605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45096.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3206243605 is about 56623.7017952730. The cubic root of 3206243605 is about 1474.5703783719.

Adding to 3206243605 its reverse (5063426023), we get a palindrome (8269669628).

The spelling of 3206243605 in words is "three billion, two hundred six million, two hundred forty-three thousand, six hundred five".