6229813 has 2 divisors, whose sum is σ = 6229814. Its totient is φ = 6229812.

The previous prime is 6229799. The next prime is 6229819. The reversal of 6229813 is 3189226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5349969 + 879844 = 2313^2 + 938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6229813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6229819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114906 + 3114907.

It is an arithmetic number, because the mean of its divisors is an integer number (3114907).

Almost surely, 2^6229813 is an apocalyptic number.

It is an amenable number.

6229813 is a deficient number, since it is larger than the sum of its proper divisors (1).

6229813 is an equidigital number, since it uses as much as digits as its factorization.

6229813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 6229813 is about 2495.9593346046. The cubic root of 6229813 is about 184.0030422465.

The spelling of 6229813 in words is "six million, two hundred twenty-nine thousand, eight hundred thirteen".