2104525321 has 2 divisors, whose sum is σ = 2104525322. Its totient is φ = 2104525320.

The previous prime is 2104525309. The next prime is 2104525337. The reversal of 2104525321 is 1235254012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283072400 + 821452921 = 35820^2 + 28661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104525321 - 2¹⁵ = 2104492553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104525301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052262660 + 1052262661.

It is an arithmetic number, because the mean of its divisors is an integer number (1052262661).

Almost surely, 2^2104525321 is an apocalyptic number.

It is an amenable number.

2104525321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104525321 is an equidigital number, since it uses as much as digits as its factorization.

2104525321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2104525321 is about 45875.1056783524. The cubic root of 2104525321 is about 1281.4983513627.

Adding to 2104525321 its reverse (1235254012), we get a palindrome (3339779333).

The spelling of 2104525321 in words is "two billion, one hundred four million, five hundred twenty-five thousand, three hundred twenty-one".