675575217 has 12 divisors (see below), whose sum is σ = 976065220. Its totient is φ = 450275328.

The previous prime is 675575203. The next prime is 675575231. The reversal of 675575217 is 712575576.

It is a happy number.

675575217 is a `hidden beast` number, since 6 + 75 + 57 + 521 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (675575203) and next prime (675575231).

It can be written as a sum of positive squares in 2 ways, for example, as 210569121 + 465006096 = 14511^2 + 21564^2 .

It is not a de Polignac number, because 675575217 - 2¹¹ = 675573169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675575317) 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 11 ways as a sum of consecutive naturals, for example, 53013 + ... + 64509.

Almost surely, 2^675575217 is an apocalyptic number.

It is an amenable number.

675575217 is a deficient number, since it is larger than the sum of its proper divisors (300490003).

675575217 is a wasteful number, since it uses less digits than its factorization.

675575217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18032 (or 18029 counting only the distinct ones).

The product of its digits is 514500, while the sum is 45.

The square root of 675575217 is about 25991.8298124622. The cubic root of 675575217 is about 877.4544277110.

The spelling of 675575217 in words is "six hundred seventy-five million, five hundred seventy-five thousand, two hundred seventeen".