2104253321 has 2 divisors, whose sum is σ = 2104253322. Its totient is φ = 2104253320.

The previous prime is 2104253299. The next prime is 2104253323. The reversal of 2104253321 is 1233524012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1145484025 + 958769296 = 33845^2 + 30964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104253321 - 2⁶ = 2104253257 is a prime.

Together with 2104253323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2104253323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052126660 + 1052126661.

It is an arithmetic number, because the mean of its divisors is an integer number (1052126661).

Almost surely, 2^2104253321 is an apocalyptic number.

It is an amenable number.

2104253321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104253321 is an equidigital number, since it uses as much as digits as its factorization.

2104253321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2104253321 is about 45872.1410117295. The cubic root of 2104253321 is about 1281.4431397724.

Adding to 2104253321 its reverse (1233524012), we get a palindrome (3337777333).

The spelling of 2104253321 in words is "two billion, one hundred four million, two hundred fifty-three thousand, three hundred twenty-one".