2057717 has 4 divisors (see below), whose sum is σ = 2077056. Its totient is φ = 2038380.

The previous prime is 2057711. The next prime is 2057723. The reversal of 2057717 is 7177502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2057711) and next prime (2057723).

It is a cyclic number.

It is not a de Polignac number, because 2057717 - 2⁴ = 2057701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057711) 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, 9509 + ... + 9722.

It is an arithmetic number, because the mean of its divisors is an integer number (519264).

2^2057717 is an apocalyptic number.

It is an amenable number.

2057717 is a deficient number, since it is larger than the sum of its proper divisors (19339).

2057717 is a wasteful number, since it uses less digits than its factorization.

2057717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19338.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 2057717 is about 1434.4744682287. The cubic root of 2057717 is about 127.1926107874.

The spelling of 2057717 in words is "two million, fifty-seven thousand, seven hundred seventeen".