8530057 has 4 divisors (see below), whose sum is σ = 8669956. Its totient is φ = 8390160.

The previous prime is 8530051. The next prime is 8530063. The reversal of 8530057 is 7500358.

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

It is an interprime number because it is at equal distance from previous prime (8530051) and next prime (8530063).

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 7284601 = 1116^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 8530057 - 2¹⁵ = 8497289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8530051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69858 + ... + 69979.

It is an arithmetic number, because the mean of its divisors is an integer number (2167489).

Almost surely, 2^8530057 is an apocalyptic number.

It is an amenable number.

8530057 is a deficient number, since it is larger than the sum of its proper divisors (139899).

8530057 is a wasteful number, since it uses less digits than its factorization.

8530057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139898.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 8530057 is about 2920.6261314999. The cubic root of 8530057 is about 204.3230256536.

The spelling of 8530057 in words is "eight million, five hundred thirty thousand, fifty-seven".