534221 has 4 divisors (see below), whose sum is σ = 557472. Its totient is φ = 510972.

The previous prime is 534211. The next prime is 534229. The reversal of 534221 is 122435.

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 a de Polignac number, because none of the positive numbers 2^k-534221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 534221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534229) 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, 11591 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (139368).

2⁵³⁴²²¹ is an apocalyptic number.

It is an amenable number.

534221 is a deficient number, since it is larger than the sum of its proper divisors (23251).

534221 is a wasteful number, since it uses less digits than its factorization.

534221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23250.

The product of its digits is 240, while the sum is 17.

The square root of 534221 is about 730.9042344931. The cubic root of 534221 is about 81.1409930696.

Adding to 534221 its reverse (122435), we get a palindrome (656656).

The spelling of 534221 in words is "five hundred thirty-four thousand, two hundred twenty-one".