5646217 has 4 divisors (see below), whose sum is σ = 5675076. Its totient is φ = 5617360.

The previous prime is 5646131. The next prime is 5646229. The reversal of 5646217 is 7126465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7126465 = 5 ⋅1425293.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 95481 = 2356^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646217 - 2¹¹ = 5644169 is a prime.

It is a super-2 number, since 2×5646217² = 63759532822178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5646317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14134 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (1418769).

Almost surely, 2^5646217 is an apocalyptic number.

It is an amenable number.

5646217 is a deficient number, since it is larger than the sum of its proper divisors (28859).

5646217 is a wasteful number, since it uses less digits than its factorization.

5646217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28858.

The product of its digits is 10080, while the sum is 31.

The square root of 5646217 is about 2376.1769715238. The cubic root of 5646217 is about 178.0679894293.

The spelling of 5646217 in words is "five million, six hundred forty-six thousand, two hundred seventeen".