2049065 has 4 divisors (see below), whose sum is σ = 2458884. Its totient is φ = 1639248.

The previous prime is 2049043. The next prime is 2049067. The reversal of 2049065 is 5609402.

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 1142761 + 906304 = 1069^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049065 - 2¹² = 2044969 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2049067) 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, 204902 + ... + 204911.

It is an arithmetic number, because the mean of its divisors is an integer number (614721).

2^2049065 is an apocalyptic number.

It is an amenable number.

2049065 is a deficient number, since it is larger than the sum of its proper divisors (409819).

2049065 is an equidigital number, since it uses as much as digits as its factorization.

2049065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409818.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2049065 is about 1431.4555529251. The cubic root of 2049065 is about 127.0140931309.

The spelling of 2049065 in words is "two million, forty-nine thousand, sixty-five".