8020541 has 4 divisors (see below), whose sum is σ = 8029500. Its totient is φ = 8011584.

The previous prime is 8020517. The next prime is 8020553. The reversal of 8020541 is 1450208.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 4884100 = 1771^2 + 2210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8020541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020241) 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, 2966 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (2007375).

Almost surely, 2^8020541 is an apocalyptic number.

It is an amenable number.

8020541 is a deficient number, since it is larger than the sum of its proper divisors (8959).

8020541 is a wasteful number, since it uses less digits than its factorization.

8020541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 8020541 is about 2832.0559669611. The cubic root of 8020541 is about 200.1710287042.

Adding to 8020541 its reverse (1450208), we get a palindrome (9470749).

The spelling of 8020541 in words is "eight million, twenty thousand, five hundred forty-one".