Search a number
-
+
6397057 is a prime number
BaseRepresentation
bin11000011001110010000001
3110001000010001
4120121302001
53114201212
6345040001
7105242212
oct30316201
913030101
106397057
11367a227
122186001
13142c954
14bc7409
15865657
hex619c81

6397057 has 2 divisors, whose sum is σ = 6397058. Its totient is φ = 6397056.

The previous prime is 6397051. The next prime is 6397073. The reversal of 6397057 is 7507936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6355441 + 41616 = 2521^2 + 204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6397057 is a prime.

It is a super-2 number, since 2×63970572 = 81844676522498, which contains 22 as substring.

6397057 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6397051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198528 + 3198529.

It is an arithmetic number, because the mean of its divisors is an integer number (3198529).

Almost surely, 26397057 is an apocalyptic number.

It is an amenable number.

6397057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397057 is an equidigital number, since it uses as much as digits as its factorization.

6397057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 6397057 is about 2529.2403998039. The cubic root of 6397057 is about 185.6350902397.

The spelling of 6397057 in words is "six million, three hundred ninety-seven thousand, fifty-seven".