814111 has 4 divisors (see below), whose sum is σ = 836152. Its totient is φ = 792072.

The previous prime is 814097. The next prime is 814127. The reversal of 814111 is 111418.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814111 is a prime.

It is a Duffinian number.

814111 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814171) 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 in 3 ways as a sum of consecutive naturals, for example, 10965 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (209038).

2⁸¹⁴¹¹¹ is an apocalyptic number.

814111 is a deficient number, since it is larger than the sum of its proper divisors (22041).

814111 is a wasteful number, since it uses less digits than its factorization.

814111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22040.

The product of its digits is 32, while the sum is 16.

The square root of 814111 is about 902.2809983592. The cubic root of 814111 is about 93.3744107734.

Adding to 814111 its reverse (111418), we get a palindrome (925529).

The spelling of 814111 in words is "eight hundred fourteen thousand, one hundred eleven".