3253616221 has 8 divisors (see below), whose sum is σ = 3458112320. Its totient is φ = 3052445472.

The previous prime is 3253616209. The next prime is 3253616237. The reversal of 3253616221 is 1226163523.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3253616221 - 2⁵ = 3253616189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250616221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829320 + ... + 833233.

It is an arithmetic number, because the mean of its divisors is an integer number (432264040).

Almost surely, 2^3253616221 is an apocalyptic number.

It is an amenable number.

3253616221 is a deficient number, since it is larger than the sum of its proper divisors (204496099).

3253616221 is a wasteful number, since it uses less digits than its factorization.

3253616221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662675.

The product of its digits is 12960, while the sum is 31.

The square root of 3253616221 is about 57040.4787935726. The cubic root of 3253616221 is about 1481.7972172571.

Adding to 3253616221 its reverse (1226163523), we get a palindrome (4479779744).

The spelling of 3253616221 in words is "three billion, two hundred fifty-three million, six hundred sixteen thousand, two hundred twenty-one".