2065345 has 4 divisors (see below), whose sum is σ = 2478420. Its totient is φ = 1652272.

The previous prime is 2065309. The next prime is 2065363. The reversal of 2065345 is 5435602.

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 665856 + 1399489 = 816^2 + 1183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065345 - 2⁹ = 2064833 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 0 + 6⁴ + 5⁷ + 3³ + 4 + 5⁹ .

2065345 is a lucky number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 206530 + ... + 206539.

It is an arithmetic number, because the mean of its divisors is an integer number (619605).

2^2065345 is an apocalyptic number.

It is an amenable number.

2065345 is a deficient number, since it is larger than the sum of its proper divisors (413075).

2065345 is an equidigital number, since it uses as much as digits as its factorization.

2065345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413074.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2065345 is about 1437.1308221592. The cubic root of 2065345 is about 127.3495855343.

The spelling of 2065345 in words is "two million, sixty-five thousand, three hundred forty-five".