2065199 has 4 divisors (see below), whose sum is σ = 2074080. Its totient is φ = 2056320.

The previous prime is 2065187. The next prime is 2065213. The reversal of 2065199 is 9915602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9915602 = 2 ⋅4957801.

It is a cyclic number.

It is not a de Polignac number, because 2065199 - 2⁸ = 2064943 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 (2065169) 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, 4082 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (518520).

2^2065199 is an apocalyptic number.

2065199 is a deficient number, since it is larger than the sum of its proper divisors (8881).

2065199 is an equidigital number, since it uses as much as digits as its factorization.

2065199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2065199 is about 1437.0800256075. The cubic root of 2065199 is about 127.3465846672.

The spelling of 2065199 in words is "two million, sixty-five thousand, one hundred ninety-nine".