8013541 has 8 divisors (see below), whose sum is σ = 8354520. Its totient is φ = 7676928.

The previous prime is 8013539. The next prime is 8013581. The reversal of 8013541 is 1453108.

It can be written as a sum of positive squares in 4 ways, for example, as 2856100 + 5157441 = 1690^2 + 2271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8013541 - 2¹ = 8013539 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013521) 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 7 ways as a sum of consecutive naturals, for example, 2965 + ... + 4981.

It is an arithmetic number, because the mean of its divisors is an integer number (1044315).

Almost surely, 2^8013541 is an apocalyptic number.

It is an amenable number.

8013541 is a deficient number, since it is larger than the sum of its proper divisors (340979).

8013541 is a wasteful number, since it uses less digits than its factorization.

8013541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 8013541 is about 2830.8198459104. The cubic root of 8013541 is about 200.1127780603.

Adding to 8013541 its reverse (1453108), we get a palindrome (9466649).

The spelling of 8013541 in words is "eight million, thirteen thousand, five hundred forty-one".