814069 has 2 divisors, whose sum is σ = 814070. Its totient is φ = 814068.

The previous prime is 814067. The next prime is 814081. The reversal of 814069 is 960418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600625 + 213444 = 775^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 814069 - 2¹ = 814067 is a prime.

It is a super-2 number, since 2×814069² = 1325416673522, which contains 22 as substring.

Together with 814067, it forms a pair of twin primes.

It is a Chen prime.

814069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407034 + 407035.

It is an arithmetic number, because the mean of its divisors is an integer number (407035).

2⁸¹⁴⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

814069 is a deficient number, since it is larger than the sum of its proper divisors (1).

814069 is an equidigital number, since it uses as much as digits as its factorization.

814069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 814069 is about 902.2577237131. The cubic root of 814069 is about 93.3728050167.

The spelling of 814069 in words is "eight hundred fourteen thousand, sixty-nine".