2030191 has 8 divisors (see below), whose sum is σ = 2162160. Its totient is φ = 1899648.

The previous prime is 2030183. The next prime is 2030209. The reversal of 2030191 is 1910302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2030191 - 2³ = 2030183 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5025 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

2^2030191 is an apocalyptic number.

2030191 is a deficient number, since it is larger than the sum of its proper divisors (131969).

2030191 is a wasteful number, since it uses less digits than its factorization.

2030191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2030191 is about 1424.8477111607. The cubic root of 2030191 is about 126.6229127119.

Adding to 2030191 its reverse (1910302), we get a palindrome (3940493).

The spelling of 2030191 in words is "two million, thirty thousand, one hundred ninety-one".