2065081 has 4 divisors (see below), whose sum is σ = 2120932. Its totient is φ = 2009232.

The previous prime is 2065073. The next prime is 2065087. The reversal of 2065081 is 1805602.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 477481 = 1260^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065081 - 2³ = 2065073 is a prime.

It is a super-2 number, since 2×2065081² = 8529119073122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27870 + ... + 27943.

It is an arithmetic number, because the mean of its divisors is an integer number (530233).

2^2065081 is an apocalyptic number.

It is an amenable number.

2065081 is a deficient number, since it is larger than the sum of its proper divisors (55851).

2065081 is an equidigital number, since it uses as much as digits as its factorization.

2065081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55850.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2065081 is about 1437.0389695481. The cubic root of 2065081 is about 127.3441592055.

The spelling of 2065081 in words is "two million, sixty-five thousand, eighty-one".