2081162 has 4 divisors (see below), whose sum is σ = 3121746. Its totient is φ = 1040580.

The previous prime is 2081161. The next prime is 2081171. The reversal of 2081162 is 2611802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 737881 = 1159^2 + 859^2 .

It is not an unprimeable number, because it can be changed into a prime (2081161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520289 + ... + 520292.

2^2081162 is an apocalyptic number.

2081162 is a deficient number, since it is larger than the sum of its proper divisors (1040584).

2081162 is a wasteful number, since it uses less digits than its factorization.

2081162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040583.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2081162 is about 1442.6233049552. The cubic root of 2081162 is about 127.6738522892.

Adding to 2081162 its reverse (2611802), we get a palindrome (4692964).

The spelling of 2081162 in words is "two million, eighty-one thousand, one hundred sixty-two".