3225133521 has 6 divisors (see below), whose sum is σ = 4658526210. Its totient is φ = 2150089008.

The previous prime is 3225133519. The next prime is 3225133553. The reversal of 3225133521 is 1253315223.

It is a happy number.

3225133521 is a `hidden beast` number, since 3 + 2 + 2 + 5 + 133 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3176900496 + 48233025 = 56364^2 + 6945^2 .

It is not a de Polignac number, because 3225133521 - 2¹ = 3225133519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3225133421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179174076 + ... + 179174093.

It is an arithmetic number, because the mean of its divisors is an integer number (776421035).

Almost surely, 2^3225133521 is an apocalyptic number.

It is an amenable number.

3225133521 is a deficient number, since it is larger than the sum of its proper divisors (1433392689).

3225133521 is a wasteful number, since it uses less digits than its factorization.

3225133521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358348175 (or 358348172 counting only the distinct ones).

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

The square root of 3225133521 is about 56790.2590326898. The cubic root of 3225133521 is about 1477.4605711518.

Adding to 3225133521 its reverse (1253315223), we get a palindrome (4478448744).

The spelling of 3225133521 in words is "three billion, two hundred twenty-five million, one hundred thirty-three thousand, five hundred twenty-one".