8541157 has 4 divisors (see below), whose sum is σ = 9043596. Its totient is φ = 8038720.

The previous prime is 8541149. The next prime is 8541163. The reversal of 8541157 is 7511458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7511458 = 2 ⋅3755729.

It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 4218916 = 2079^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 8541157 - 2³ = 8541149 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 (8544157) 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, 251194 + ... + 251227.

It is an arithmetic number, because the mean of its divisors is an integer number (2260899).

Almost surely, 2^8541157 is an apocalyptic number.

It is an amenable number.

8541157 is a deficient number, since it is larger than the sum of its proper divisors (502439).

8541157 is a wasteful number, since it uses less digits than its factorization.

8541157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502438.

The product of its digits is 5600, while the sum is 31.

The square root of 8541157 is about 2922.5257911608. The cubic root of 8541157 is about 204.4116144533.

The spelling of 8541157 in words is "eight million, five hundred forty-one thousand, one hundred fifty-seven".