3215533465 has 8 divisors (see below), whose sum is σ = 3896845128. Its totient is φ = 2546956800.

The previous prime is 3215533411. The next prime is 3215533471. The reversal of 3215533465 is 5643355123.

It can be written as a sum of positive squares in 4 ways, for example, as 701614144 + 2513919321 = 26488^2 + 50139^2 .

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

It is not a de Polignac number, because 3215533465 - 2⁷ = 3215533337 is a prime.

It is a Duffinian number.

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, 3183192 + ... + 3184201.

It is an arithmetic number, because the mean of its divisors is an integer number (487105641).

Almost surely, 2^3215533465 is an apocalyptic number.

It is an amenable number.

3215533465 is a deficient number, since it is larger than the sum of its proper divisors (681311663).

3215533465 is a wasteful number, since it uses less digits than its factorization.

3215533465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367499.

The product of its digits is 162000, while the sum is 37.

The square root of 3215533465 is about 56705.6740106314. The cubic root of 3215533465 is about 1475.9931589553.

Adding to 3215533465 its reverse (5643355123), we get a palindrome (8858888588).

The spelling of 3215533465 in words is "three billion, two hundred fifteen million, five hundred thirty-three thousand, four hundred sixty-five".