2065921 has 8 divisors (see below), whose sum is σ = 2427264. Its totient is φ = 1733520.

The previous prime is 2065907. The next prime is 2065937. The reversal of 2065921 is 1295602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2065921 - 2¹³ = 2057729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2065961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7081 + ... + 7366.

It is an arithmetic number, because the mean of its divisors is an integer number (303408).

2^2065921 is an apocalyptic number.

It is an amenable number.

2065921 is a deficient number, since it is larger than the sum of its proper divisors (361343).

2065921 is a wasteful number, since it uses less digits than its factorization.

2065921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14471.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2065921 is about 1437.3312074814. The cubic root of 2065921 is about 127.3614231923.

The spelling of 2065921 in words is "two million, sixty-five thousand, nine hundred twenty-one".