3225521536 has 16 divisors (see below), whose sum is σ = 6425843940. Its totient is φ = 1612760704.

The previous prime is 3225521531. The next prime is 3225521543. The reversal of 3225521536 is 6351255223.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225521531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12599566 + ... + 12599821.

Almost surely, 2^3225521536 is an apocalyptic number.

It is an amenable number.

3225521536 is a deficient number, since it is larger than the sum of its proper divisors (3200322404).

3225521536 is an equidigital number, since it uses as much as digits as its factorization.

3225521536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25199401 (or 25199389 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 3225521536 is about 56793.6751408112. The cubic root of 3225521536 is about 1477.5198197453.

Adding to 3225521536 its reverse (6351255223), we get a palindrome (9576776759).

The spelling of 3225521536 in words is "three billion, two hundred twenty-five million, five hundred twenty-one thousand, five hundred thirty-six".