818341 has 2 divisors, whose sum is σ = 818342. Its totient is φ = 818340.

The previous prime is 818339. The next prime is 818347. The reversal of 818341 is 143818.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 390625 = 654^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 818341 - 2¹ = 818339 is a prime.

Together with 818339, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818347) 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, 409170 + 409171.

It is an arithmetic number, because the mean of its divisors is an integer number (409171).

2⁸¹⁸³⁴¹ is an apocalyptic number.

It is an amenable number.

818341 is a deficient number, since it is larger than the sum of its proper divisors (1).

818341 is an equidigital number, since it uses as much as digits as its factorization.

818341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 818341 is about 904.6220205146. The cubic root of 818341 is about 93.5358513511.

The spelling of 818341 in words is "eight hundred eighteen thousand, three hundred forty-one".