2330081521 has 2 divisors, whose sum is σ = 2330081522. Its totient is φ = 2330081520.

The previous prime is 2330081483. The next prime is 2330081543. The reversal of 2330081521 is 1251800332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2305440225 + 24641296 = 48015^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2330081521 - 2²⁷ = 2195863793 is a prime.

It is not a weakly prime, because it can be changed into another prime (2330081581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165040760 + 1165040761.

It is an arithmetic number, because the mean of its divisors is an integer number (1165040761).

Almost surely, 2^2330081521 is an apocalyptic number.

It is an amenable number.

2330081521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2330081521 is an equidigital number, since it uses as much as digits as its factorization.

2330081521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2330081521 is about 48270.9179630966. The cubic root of 2330081521 is about 1325.7359663096.

Adding to 2330081521 its reverse (1251800332), we get a palindrome (3581881853).

The spelling of 2330081521 in words is "two billion, three hundred thirty million, eighty-one thousand, five hundred twenty-one".