817041 has 4 divisors (see below), whose sum is σ = 1089392. Its totient is φ = 544692.

The previous prime is 817039. The next prime is 817049. The reversal of 817041 is 140718.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 817041 - 2¹ = 817039 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 816999 and 817017.

It is not an unprimeable number, because it can be changed into a prime (817049) 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, 136171 + ... + 136176.

It is an arithmetic number, because the mean of its divisors is an integer number (272348).

2⁸¹⁷⁰⁴¹ is an apocalyptic number.

It is an amenable number.

817041 is a deficient number, since it is larger than the sum of its proper divisors (272351).

817041 is a wasteful number, since it uses less digits than its factorization.

817041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272350.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 817041 is about 903.9032027822. The cubic root of 817041 is about 93.4862953786.

Adding to 817041 its reverse (140718), we get a palindrome (957759).

The spelling of 817041 in words is "eight hundred seventeen thousand, forty-one".