8540057 has 4 divisors (see below), whose sum is σ = 8584500. Its totient is φ = 8495616.

The previous prime is 8540053. The next prime is 8540083. The reversal of 8540057 is 7500458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 817216 + 7722841 = 904^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 8540057 - 2² = 8540053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8540053) 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, 21932 + ... + 22317.

It is an arithmetic number, because the mean of its divisors is an integer number (2146125).

Almost surely, 2^8540057 is an apocalyptic number.

It is an amenable number.

8540057 is a deficient number, since it is larger than the sum of its proper divisors (44443).

8540057 is a wasteful number, since it uses less digits than its factorization.

8540057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44442.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 8540057 is about 2922.3375917234. The cubic root of 8540057 is about 204.4028388105.

The spelling of 8540057 in words is "eight million, five hundred forty thousand, fifty-seven".