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2097289 is a prime number
BaseRepresentation
bin1000000000000010001001
310221112221101
420000002021
51014103124
6112541401
723553355
oct10000211
93845841
102097289
1112027a7
12851861
135857cc
143c8465
152b6644
hex200089

2097289 has 2 divisors, whose sum is σ = 2097290. Its totient is φ = 2097288.

The previous prime is 2097287. The next prime is 2097311. The reversal of 2097289 is 9827902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 751689 = 1160^2 + 867^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097289 - 21 = 2097287 is a prime.

It is a super-2 number, since 2×20972892 = 8797242299042, which contains 22 as substring.

Together with 2097287, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 25 + 0 + 9 + 7 + 221 + 8 + 92 .

It is not a weakly prime, because it can be changed into another prime (2097287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048644 + 1048645.

It is an arithmetic number, because the mean of its divisors is an integer number (1048645).

22097289 is an apocalyptic number.

It is an amenable number.

2097289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097289 is an equidigital number, since it uses as much as digits as its factorization.

2097289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2097289 is about 1448.2019886742. The cubic root of 2097289 is about 128.0027872114.

The spelling of 2097289 in words is "two million, ninety-seven thousand, two hundred eighty-nine".