3253143221 has 2 divisors, whose sum is σ = 3253143222. Its totient is φ = 3253143220.

The previous prime is 3253143217. The next prime is 3253143247. The reversal of 3253143221 is 1223413523.

It is a happy number.

3253143221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3253143247) can be obtained adding 3253143221 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2653383121 + 599760100 = 51511^2 + 24490^2 .

It is an emirp because it is prime and its reverse (1223413523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3253143221 - 2² = 3253143217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3253143721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626571610 + 1626571611.

It is an arithmetic number, because the mean of its divisors is an integer number (1626571611).

Almost surely, 2^3253143221 is an apocalyptic number.

It is an amenable number.

3253143221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3253143221 is an equidigital number, since it uses as much as digits as its factorization.

3253143221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 3253143221 is about 57036.3324644914. The cubic root of 3253143221 is about 1481.7254075124.

Adding to 3253143221 its reverse (1223413523), we get a palindrome (4476556744).

The spelling of 3253143221 in words is "three billion, two hundred fifty-three million, one hundred forty-three thousand, two hundred twenty-one".