5205135893 has 2 divisors, whose sum is σ = 5205135894. Its totient is φ = 5205135892.

The previous prime is 5205135889. The next prime is 5205135953. The reversal of 5205135893 is 3985315025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2827793329 + 2377342564 = 53177^2 + 48758^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205135893 - 2² = 5205135889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5205135893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5205135493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602567946 + 2602567947.

It is an arithmetic number, because the mean of its divisors is an integer number (2602567947).

Almost surely, 2^5205135893 is an apocalyptic number.

It is an amenable number.

5205135893 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205135893 is an equidigital number, since it uses as much as digits as its factorization.

5205135893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 5205135893 is about 72146.6277313084. The cubic root of 5205135893 is about 1733.0483962552.

The spelling of 5205135893 in words is "five billion, two hundred five million, one hundred thirty-five thousand, eight hundred ninety-three".