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2097169 is a prime number
BaseRepresentation
bin1000000000000000010001
310221112202221
420000000101
51014102134
6112541041
723553124
oct10000021
93845687
102097169
1112026a8
12851781
13585739
143c83bb
152b65b4
hex200011

2097169 has 2 divisors, whose sum is σ = 2097170. Its totient is φ = 2097168.

The previous prime is 2097143. The next prime is 2097211. The reversal of 2097169 is 9617902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1476225 + 620944 = 1215^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097169 - 27 = 2097041 is a prime.

It is a super-2 number, since 2×20971692 = 8796235629122, which contains 22 as substring.

2097169 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2097769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048584 + 1048585.

It is an arithmetic number, because the mean of its divisors is an integer number (1048585).

22097169 is an apocalyptic number.

It is an amenable number.

2097169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097169 is an equidigital number, since it uses as much as digits as its factorization.

2097169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2097169 is about 1448.1605573969. The cubic root of 2097169 is about 128.0003458650. Note that the first 3 decimals are identical.

The spelling of 2097169 in words is "two million, ninety-seven thousand, one hundred sixty-nine".