Search a number
-
+
675281297 is a prime number
BaseRepresentation
bin101000001111111…
…111100110010001
31202001122211210102
4220033333212101
52340333000142
6151001342145
722506540065
oct5017774621
91661584712
10675281297
113171a6919
1216a197955
13a9b96242
1465981aa5
153e43d532
hex283ff991

675281297 has 2 divisors, whose sum is σ = 675281298. Its totient is φ = 675281296.

The previous prime is 675281279. The next prime is 675281303. The reversal of 675281297 is 792182576.

It is a happy number.

Together with previous prime (675281279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494217361 + 181063936 = 22231^2 + 13456^2 .

It is a cyclic number.

It is not a de Polignac number, because 675281297 - 212 = 675277201 is a prime.

It is not a weakly prime, because it can be changed into another prime (675281207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337640648 + 337640649.

It is an arithmetic number, because the mean of its divisors is an integer number (337640649).

Almost surely, 2675281297 is an apocalyptic number.

It is an amenable number.

675281297 is a deficient number, since it is larger than the sum of its proper divisors (1).

675281297 is an equidigital number, since it uses as much as digits as its factorization.

675281297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 675281297 is about 25986.1751129326. The cubic root of 675281297 is about 877.3271589730.

The spelling of 675281297 in words is "six hundred seventy-five million, two hundred eighty-one thousand, two hundred ninety-seven".