3205132065 has 64 divisors (see below), whose sum is σ = 5854126080. Its totient is φ = 1662897600.

The previous prime is 3205132037. The next prime is 3205132093. The reversal of 3205132065 is 5602315023.

It is an interprime number because it is at equal distance from previous prime (3205132037) and next prime (3205132093).

It is not a de Polignac number, because 3205132065 - 2¹⁵ = 3205099297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1641840 + ... + 1643790.

It is an arithmetic number, because the mean of its divisors is an integer number (91470720).

Almost surely, 2^3205132065 is an apocalyptic number.

It is an amenable number.

3205132065 is a deficient number, since it is larger than the sum of its proper divisors (2648994015).

3205132065 is a wasteful number, since it uses less digits than its factorization.

3205132065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3205132065 is about 56613.8857966842. The cubic root of 3205132065 is about 1474.3999574053.

Adding to 3205132065 its reverse (5602315023), we get a palindrome (8807447088).

The spelling of 3205132065 in words is "three billion, two hundred five million, one hundred thirty-two thousand, sixty-five".