2001163 has 2 divisors, whose sum is σ = 2001164. Its totient is φ = 2001162.

The previous prime is 2001127. The next prime is 2001179. The reversal of 2001163 is 3611002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001163 - 2¹³ = 1992971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000581 + 1000582.

It is an arithmetic number, because the mean of its divisors is an integer number (1000582).

2^2001163 is an apocalyptic number.

2001163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001163 is an equidigital number, since it uses as much as digits as its factorization.

2001163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2001163 is about 1414.6246852081. The cubic root of 2001163 is about 126.0165217270.

Adding to 2001163 its reverse (3611002), we get a palindrome (5612165).

The spelling of 2001163 in words is "two million, one thousand, one hundred sixty-three".