8521141 has 2 divisors, whose sum is σ = 8521142. Its totient is φ = 8521140.

The previous prime is 8521133. The next prime is 8521171. The reversal of 8521141 is 1411258.

8521141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7672900 + 848241 = 2770^2 + 921^2 .

It is a cyclic number.

It is not a de Polignac number, because 8521141 - 2³ = 8521133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8521111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4260570 + 4260571.

It is an arithmetic number, because the mean of its divisors is an integer number (4260571).

Almost surely, 2^8521141 is an apocalyptic number.

It is an amenable number.

8521141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8521141 is an equidigital number, since it uses as much as digits as its factorization.

8521141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 22.

The square root of 8521141 is about 2919.0993474015. The cubic root of 8521141 is about 204.2518116243.

Adding to 8521141 its reverse (1411258), we get a palindrome (9932399).

The spelling of 8521141 in words is "eight million, five hundred twenty-one thousand, one hundred forty-one".