8520141 has 16 divisors (see below), whose sum is σ = 13026944. Its totient is φ = 4852224.

The previous prime is 8520139. The next prime is 8520157. The reversal of 8520141 is 1410258.

8520141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8520141 - 2¹ = 8520139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8625 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (814184).

Almost surely, 2^8520141 is an apocalyptic number.

It is an amenable number.

8520141 is a deficient number, since it is larger than the sum of its proper divisors (4506803).

8520141 is a wasteful number, since it uses less digits than its factorization.

8520141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 8520141 is about 2918.9280566674. The cubic root of 8520141 is about 204.2438213093.

Adding to 8520141 its reverse (1410258), we get a palindrome (9930399).

The spelling of 8520141 in words is "eight million, five hundred twenty thousand, one hundred forty-one".