8211241 has 4 divisors (see below), whose sum is σ = 8266500. Its totient is φ = 8155984.

The previous prime is 8211227. The next prime is 8211331. The reversal of 8211241 is 1421128.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3884841 + 4326400 = 1971^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 8211241 - 2⁹ = 8210729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8211641) 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 in 3 ways as a sum of consecutive naturals, for example, 27406 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (2066625).

Almost surely, 2^8211241 is an apocalyptic number.

It is an amenable number.

8211241 is a deficient number, since it is larger than the sum of its proper divisors (55259).

8211241 is a wasteful number, since it uses less digits than its factorization.

8211241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55258.

The product of its digits is 128, while the sum is 19.

The square root of 8211241 is about 2865.5263041892. The cubic root of 8211241 is about 201.7450710172.

Adding to 8211241 its reverse (1421128), we get a palindrome (9632369).

The spelling of 8211241 in words is "eight million, two hundred eleven thousand, two hundred forty-one".