533217 has 4 divisors (see below), whose sum is σ = 710960. Its totient is φ = 355476.

The previous prime is 533213. The next prime is 533219. The reversal of 533217 is 712335.

It is a happy number.

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 not a de Polignac number, because 533217 - 2² = 533213 is a prime.

It is a D-number.

It is a Duffinian number.

533217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 533193 and 533202.

It is not an unprimeable number, because it can be changed into a prime (533213) 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, 88867 + ... + 88872.

It is an arithmetic number, because the mean of its divisors is an integer number (177740).

2⁵³³²¹⁷ is an apocalyptic number.

It is an amenable number.

533217 is a deficient number, since it is larger than the sum of its proper divisors (177743).

533217 is a wasteful number, since it uses less digits than its factorization.

533217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177742.

The product of its digits is 630, while the sum is 21.

The square root of 533217 is about 730.2170910079. The cubic root of 533217 is about 81.0901298219.

The spelling of 533217 in words is "five hundred thirty-three thousand, two hundred seventeen".