475217 has 4 divisors (see below), whose sum is σ = 485376. Its totient is φ = 465060.

The previous prime is 475207. The next prime is 475219. The reversal of 475217 is 712574.

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, and also an emirpimes, since its reverse is a distinct semiprime: 712574 = 2 ⋅356287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 475217.

It is not an unprimeable number, because it can be changed into a prime (475219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (121344).

2⁴⁷⁵²¹⁷ is an apocalyptic number.

475217 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

475217 is a deficient number, since it is larger than the sum of its proper divisors (10159).

475217 is a wasteful number, since it uses less digits than its factorization.

475217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158.

The product of its digits is 1960, while the sum is 26.

The square root of 475217 is about 689.3598479749. The cubic root of 475217 is about 78.0364173578.

The spelling of 475217 in words is "four hundred seventy-five thousand, two hundred seventeen".