2821051313 has 2 divisors, whose sum is σ = 2821051314. Its totient is φ = 2821051312.

The previous prime is 2821051297. The next prime is 2821051327. The reversal of 2821051313 is 3131501282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1686169969 + 1134881344 = 41063^2 + 33688^2 .

It is a cyclic number.

It is not a de Polignac number, because 2821051313 - 2⁴ = 2821051297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2821051613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410525656 + 1410525657.

It is an arithmetic number, because the mean of its divisors is an integer number (1410525657).

Almost surely, 2^2821051313 is an apocalyptic number.

It is an amenable number.

2821051313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2821051313 is an equidigital number, since it uses as much as digits as its factorization.

2821051313 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 26.

The square root of 2821051313 is about 53113.5699515670. The cubic root of 2821051313 is about 1412.9831902967.

Adding to 2821051313 its reverse (3131501282), we get a palindrome (5952552595).

The spelling of 2821051313 in words is "two billion, eight hundred twenty-one million, fifty-one thousand, three hundred thirteen".