2945717 has 4 divisors (see below), whose sum is σ = 2954796. Its totient is φ = 2936640.

The previous prime is 2945711. The next prime is 2945731. The reversal of 2945717 is 7175492.

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 662596 + 2283121 = 814^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945717 - 2⁸ = 2945461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4034 + ... + 4707.

It is an arithmetic number, because the mean of its divisors is an integer number (738699).

2^2945717 is an apocalyptic number.

It is an amenable number.

2945717 is a deficient number, since it is larger than the sum of its proper divisors (9079).

2945717 is an equidigital number, since it uses as much as digits as its factorization.

2945717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078.

The product of its digits is 17640, while the sum is 35.

The square root of 2945717 is about 1716.3091213415. The cubic root of 2945717 is about 143.3497721666.

The spelling of 2945717 in words is "two million, nine hundred forty-five thousand, seven hundred seventeen".