Search a number
-
+
2161163 is a prime number
BaseRepresentation
bin1000001111101000001011
311001210120002
420033220023
51023124123
6114153215
724240524
oct10175013
94053502
102161163
111246794
1288280b
135a88c4
1440384b
152ca528
hex20fa0b

2161163 has 2 divisors, whose sum is σ = 2161164. Its totient is φ = 2161162.

The previous prime is 2161157. The next prime is 2161177. The reversal of 2161163 is 3611612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2161163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2161963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080581 + 1080582.

It is an arithmetic number, because the mean of its divisors is an integer number (1080582).

22161163 is an apocalyptic number.

2161163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161163 is an equidigital number, since it uses as much as digits as its factorization.

2161163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 2161163 is about 1470.0894530606. The cubic root of 2161163 is about 129.2892773092.

Adding to 2161163 its reverse (3611612), we get a palindrome (5772775).

The spelling of 2161163 in words is "two million, one hundred sixty-one thousand, one hundred sixty-three".