2057065 has 8 divisors (see below), whose sum is σ = 2483208. Its totient is φ = 1635840.

The previous prime is 2057053. The next prime is 2057087. The reversal of 2057065 is 5607502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85849 + 1971216 = 293^2 + 1404^2 .

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

It is not a de Polignac number, because 2057065 - 2⁹ = 2056553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (310401).

2^2057065 is an apocalyptic number.

It is an amenable number.

2057065 is a deficient number, since it is larger than the sum of its proper divisors (426143).

2057065 is a wasteful number, since it uses less digits than its factorization.

2057065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2057065 is about 1434.2471892948. The cubic root of 2057065 is about 127.1791754538.

The spelling of 2057065 in words is "two million, fifty-seven thousand, sixty-five".