8557541 has 4 divisors (see below), whose sum is σ = 8929632. Its totient is φ = 8185452.

The previous prime is 8557531. The next prime is 8557547. The reversal of 8557541 is 1457558.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8557541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186011 + ... + 186056.

It is an arithmetic number, because the mean of its divisors is an integer number (2232408).

Almost surely, 2^8557541 is an apocalyptic number.

It is an amenable number.

8557541 is a deficient number, since it is larger than the sum of its proper divisors (372091).

8557541 is a wasteful number, since it uses less digits than its factorization.

8557541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372090.

The product of its digits is 28000, while the sum is 35.

The square root of 8557541 is about 2925.3275030328. The cubic root of 8557541 is about 204.5422345681.

The spelling of 8557541 in words is "eight million, five hundred fifty-seven thousand, five hundred forty-one".