8500057 has 2 divisors, whose sum is σ = 8500058. Its totient is φ = 8500056.

The previous prime is 8500027. The next prime is 8500061. The reversal of 8500057 is 7500058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 793881 = 2776^2 + 891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8500057 is a prime.

It is not a weakly prime, because it can be changed into another prime (8500007) 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 as a sum of consecutive naturals, namely, 4250028 + 4250029.

It is an arithmetic number, because the mean of its divisors is an integer number (4250029).

Almost surely, 2^8500057 is an apocalyptic number.

It is an amenable number.

8500057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8500057 is an equidigital number, since it uses as much as digits as its factorization.

8500057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 8500057 is about 2915.4857228256. The cubic root of 8500057 is about 204.0832112798.

Subtracting from 8500057 its reverse (7500058), we obtain a palindrome (999999).

The spelling of 8500057 in words is "eight million, five hundred thousand, fifty-seven".