5185703213 has 2 divisors, whose sum is σ = 5185703214. Its totient is φ = 5185703212.

The previous prime is 5185703209. The next prime is 5185703233. The reversal of 5185703213 is 3123075815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4197355369 + 988347844 = 64787^2 + 31438^2 .

It is a cyclic number.

It is not a de Polignac number, because 5185703213 - 2² = 5185703209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185703233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592851606 + 2592851607.

It is an arithmetic number, because the mean of its divisors is an integer number (2592851607).

Almost surely, 2^5185703213 is an apocalyptic number.

It is an amenable number.

5185703213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185703213 is an equidigital number, since it uses as much as digits as its factorization.

5185703213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 5185703213 is about 72011.8268966980. The cubic root of 5185703213 is about 1730.8890051437.

The spelling of 5185703213 in words is "five billion, one hundred eighty-five million, seven hundred three thousand, two hundred thirteen".