2801065213 has 2 divisors, whose sum is σ = 2801065214. Its totient is φ = 2801065212.

The previous prime is 2801065207. The next prime is 2801065259. The reversal of 2801065213 is 3125601082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2369547684 + 431517529 = 48678^2 + 20773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2801065213 - 2⁹ = 2801064701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2801065013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400532606 + 1400532607.

It is an arithmetic number, because the mean of its divisors is an integer number (1400532607).

Almost surely, 2^2801065213 is an apocalyptic number.

It is an amenable number.

2801065213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801065213 is an equidigital number, since it uses as much as digits as its factorization.

2801065213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2801065213 is about 52925.0905809333. The cubic root of 2801065213 is about 1409.6384588528.

Adding to 2801065213 its reverse (3125601082), we get a palindrome (5926666295).

The spelling of 2801065213 in words is "two billion, eight hundred one million, sixty-five thousand, two hundred thirteen".