8541641 has 4 divisors (see below), whose sum is σ = 8548992. Its totient is φ = 8534292.

The previous prime is 8541587. The next prime is 8541679. The reversal of 8541641 is 1461458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8541641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8541691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (2137248).

Almost surely, 2^8541641 is an apocalyptic number.

It is an amenable number.

8541641 is a deficient number, since it is larger than the sum of its proper divisors (7351).

8541641 is a wasteful number, since it uses less digits than its factorization.

8541641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350.

The product of its digits is 3840, while the sum is 29.

The square root of 8541641 is about 2922.6085950739. The cubic root of 8541641 is about 204.4154754975.

The spelling of 8541641 in words is "eight million, five hundred forty-one thousand, six hundred forty-one".