683228813 has 2 divisors, whose sum is σ = 683228814. Its totient is φ = 683228812.

The previous prime is 683228789. The next prime is 683228839. The reversal of 683228813 is 318822386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603340969 + 79887844 = 24563^2 + 8938^2 .

It is a cyclic number.

It is not a de Polignac number, because 683228813 - 2¹⁰ = 683227789 is a prime.

It is a super-2 number, since 2×683228813² = 933603221826777938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683228863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341614406 + 341614407.

It is an arithmetic number, because the mean of its divisors is an integer number (341614407).

Almost surely, 2^683228813 is an apocalyptic number.

It is an amenable number.

683228813 is a deficient number, since it is larger than the sum of its proper divisors (1).

683228813 is an equidigital number, since it uses as much as digits as its factorization.

683228813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 683228813 is about 26138.6459672264. The cubic root of 683228813 is about 880.7555550487.

The spelling of 683228813 in words is "six hundred eighty-three million, two hundred twenty-eight thousand, eight hundred thirteen".