3201604565 has 16 divisors (see below), whose sum is σ = 3901478400. Its totient is φ = 2521825152.

The previous prime is 3201604547. The next prime is 3201604573. The reversal of 3201604565 is 5654061023.

It is a cyclic number.

It is not a de Polignac number, because 3201604565 - 2⁶ = 3201604501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91304 + ... + 121406.

It is an arithmetic number, because the mean of its divisors is an integer number (243842400).

Almost surely, 2^3201604565 is an apocalyptic number.

It is an amenable number.

3201604565 is a deficient number, since it is larger than the sum of its proper divisors (699873835).

3201604565 is a wasteful number, since it uses less digits than its factorization.

3201604565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30436.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 3201604565 is about 56582.7232024052. The cubic root of 3201604565 is about 1473.8588611334.

Adding to 3201604565 its reverse (5654061023), we get a palindrome (8855665588).

The spelling of 3201604565 in words is "three billion, two hundred one million, six hundred four thousand, five hundred sixty-five".