2030161 has 4 divisors (see below), whose sum is σ = 2320192. Its totient is φ = 1740132.

The previous prime is 2030137. The next prime is 2030173. The reversal of 2030161 is 1610302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2030161 - 2⁹ = 2029649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145005 + ... + 145018.

It is an arithmetic number, because the mean of its divisors is an integer number (580048).

2^2030161 is an apocalyptic number.

It is an amenable number.

2030161 is a deficient number, since it is larger than the sum of its proper divisors (290031).

2030161 is an equidigital number, since it uses as much as digits as its factorization.

2030161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290030.

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

The square root of 2030161 is about 1424.8371836810. The cubic root of 2030161 is about 126.6222890094.

Adding to 2030161 its reverse (1610302), we get a palindrome (3640463).

The spelling of 2030161 in words is "two million, thirty thousand, one hundred sixty-one".