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6530957 is a prime number
BaseRepresentation
bin11000111010011110001101
3110021210210022
4120322132031
53132442312
6351551525
7106340456
oct30723615
913253708
106530957
113760894
12222b5a5
131478894
14c2012d
15890172
hex63a78d

6530957 has 2 divisors, whose sum is σ = 6530958. Its totient is φ = 6530956.

The previous prime is 6530947. The next prime is 6530971. The reversal of 6530957 is 7590356.

6530957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 48841 = 2546^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530957 - 26 = 6530893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6530947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265478 + 3265479.

It is an arithmetic number, because the mean of its divisors is an integer number (3265479).

Almost surely, 26530957 is an apocalyptic number.

It is an amenable number.

6530957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530957 is an equidigital number, since it uses as much as digits as its factorization.

6530957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 6530957 is about 2555.5737124959. The cubic root of 6530957 is about 186.9213639840.

The spelling of 6530957 in words is "six million, five hundred thirty thousand, nine hundred fifty-seven".