3200815465 has 8 divisors (see below), whose sum is σ = 3846030408. Its totient is φ = 2557284480.

The previous prime is 3200815399. The next prime is 3200815477. The reversal of 3200815465 is 5645180023.

3200815465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 331713369 + 2869102096 = 18213^2 + 53564^2 .

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

It is not a de Polignac number, because 3200815465 - 2⁷ = 3200815337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3200815465.

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, 416802 + ... + 424411.

It is an arithmetic number, because the mean of its divisors is an integer number (480753801).

Almost surely, 2^3200815465 is an apocalyptic number.

It is an amenable number.

3200815465 is a deficient number, since it is larger than the sum of its proper divisors (645214943).

3200815465 is an equidigital number, since it uses as much as digits as its factorization.

3200815465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841979.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 3200815465 is about 56575.7497961803. The cubic root of 3200815465 is about 1473.7377637725.

Adding to 3200815465 its reverse (5645180023), we get a palindrome (8845995488).

The spelling of 3200815465 in words is "three billion, two hundred million, eight hundred fifteen thousand, four hundred sixty-five".