2705217 has 4 divisors (see below), whose sum is σ = 3606960. Its totient is φ = 1803476.

The previous prime is 2705203. The next prime is 2705243. The reversal of 2705217 is 7125072.

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 a cyclic number.

It is not a de Polignac number, because 2705217 - 2¹⁰ = 2704193 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2705257) 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, 450867 + ... + 450872.

It is an arithmetic number, because the mean of its divisors is an integer number (901740).

2^2705217 is an apocalyptic number.

It is an amenable number.

2705217 is a deficient number, since it is larger than the sum of its proper divisors (901743).

2705217 is an equidigital number, since it uses as much as digits as its factorization.

2705217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901742.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 2705217 is about 1644.7543889590. The cubic root of 2705217 is about 139.3372931169.

The spelling of 2705217 in words is "two million, seven hundred five thousand, two hundred seventeen".