6805429 has 2 divisors, whose sum is σ = 6805430. Its totient is φ = 6805428.

The previous prime is 6805427. The next prime is 6805433. The reversal of 6805429 is 9245086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4418404 + 2387025 = 2102^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 6805429 - 2¹ = 6805427 is a prime.

Together with 6805427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6805394 and 6805403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6805427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402714 + 3402715.

It is an arithmetic number, because the mean of its divisors is an integer number (3402715).

Almost surely, 2^6805429 is an apocalyptic number.

It is an amenable number.

6805429 is a deficient number, since it is larger than the sum of its proper divisors (1).

6805429 is an equidigital number, since it uses as much as digits as its factorization.

6805429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 6805429 is about 2608.7217176234. The cubic root of 6805429 is about 189.5040528416.

The spelling of 6805429 in words is "six million, eight hundred five thousand, four hundred twenty-nine".