52105243213 has 2 divisors, whose sum is σ = 52105243214. Its totient is φ = 52105243212.

The previous prime is 52105243189. The next prime is 52105243217. The reversal of 52105243213 is 31234250125.

52105243213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40476208969 + 11629034244 = 201187^2 + 107838^2 .

It is a cyclic number.

It is not a de Polignac number, because 52105243213 - 2⁵ = 52105243181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52105243217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26052621606 + 26052621607.

It is an arithmetic number, because the mean of its divisors is an integer number (26052621607).

Almost surely, 2^52105243213 is an apocalyptic number.

It is an amenable number.

52105243213 is a deficient number, since it is larger than the sum of its proper divisors (1).

52105243213 is an equidigital number, since it uses as much as digits as its factorization.

52105243213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 52105243213 its reverse (31234250125), we get a palindrome (83339493338).

The spelling of 52105243213 in words is "fifty-two billion, one hundred five million, two hundred forty-three thousand, two hundred thirteen".