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2281297 is a prime number
BaseRepresentation
bin1000101100111101010001
311021220100111
420230331101
51041000142
6120521321
725251004
oct10547521
94256314
102281297
111318a77
12920241
1361b4a5
1443553b
15300e17
hex22cf51

2281297 has 2 divisors, whose sum is σ = 2281298. Its totient is φ = 2281296.

The previous prime is 2281291. The next prime is 2281313. The reversal of 2281297 is 7921822.

2281297 is digitally balanced in base 2, 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., 1615441 + 665856 = 1271^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281297 - 215 = 2248529 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2281291) 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, 1140648 + 1140649.

It is an arithmetic number, because the mean of its divisors is an integer number (1140649).

22281297 is an apocalyptic number.

It is an amenable number.

2281297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281297 is an equidigital number, since it uses as much as digits as its factorization.

2281297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 2281297 is about 1510.3963056099. The cubic root of 2281297 is about 131.6418397527.

The spelling of 2281297 in words is "two million, two hundred eighty-one thousand, two hundred ninety-seven".