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7675121 is a prime number
BaseRepresentation
bin11101010001110011110001
3112102221021202
4131101303301
53431100441
6432300545
7122144306
oct35216361
915387252
107675121
114372483
1226a1755
1317895bc
14103b0ad
15a1919b
hex751cf1

7675121 has 2 divisors, whose sum is σ = 7675122. Its totient is φ = 7675120.

The previous prime is 7675103. The next prime is 7675141. The reversal of 7675121 is 1215767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 2768896 = 2215^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 7675121 - 214 = 7658737 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7675141) 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, 3837560 + 3837561.

It is an arithmetic number, because the mean of its divisors is an integer number (3837561).

Almost surely, 27675121 is an apocalyptic number.

It is an amenable number.

7675121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7675121 is an equidigital number, since it uses as much as digits as its factorization.

7675121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 7675121 is about 2770.4008735199. The cubic root of 7675121 is about 197.2551770656.

The spelling of 7675121 in words is "seven million, six hundred seventy-five thousand, one hundred twenty-one".