3253218121 has 2 divisors, whose sum is σ = 3253218122. Its totient is φ = 3253218120.

The previous prime is 3253218119. The next prime is 3253218193. The reversal of 3253218121 is 1218123523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2909523600 + 343694521 = 53940^2 + 18539^2 .

It is an emirp because it is prime and its reverse (1218123523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3253218121 - 2¹ = 3253218119 is a prime.

Together with 3253218119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3253218121.

It is not a weakly prime, because it can be changed into another prime (3253218721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626609060 + 1626609061.

It is an arithmetic number, because the mean of its divisors is an integer number (1626609061).

Almost surely, 2^3253218121 is an apocalyptic number.

It is an amenable number.

3253218121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3253218121 is an equidigital number, since it uses as much as digits as its factorization.

3253218121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 3253218121 is about 57036.9890597321. The cubic root of 3253218121 is about 1481.7367791176.

It can be divided in two parts, 32532 and 18121, that added together give a cube (50653 = 37³).

The spelling of 3253218121 in words is "three billion, two hundred fifty-three million, two hundred eighteen thousand, one hundred twenty-one".