533523 has 4 divisors (see below), whose sum is σ = 711368. Its totient is φ = 355680.

The previous prime is 533509. The next prime is 533543. The reversal of 533523 is 325335.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 533523 - 2⁶ = 533459 is a prime.

It is a D-number.

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 533523.

It is not an unprimeable number, because it can be changed into a prime (533543) 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, 88918 + ... + 88923.

It is an arithmetic number, because the mean of its divisors is an integer number (177842).

2⁵³³⁵²³ is an apocalyptic number.

533523 is a deficient number, since it is larger than the sum of its proper divisors (177845).

533523 is a wasteful number, since it uses less digits than its factorization.

533523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177844.

The product of its digits is 1350, while the sum is 21.

The square root of 533523 is about 730.4265876869. The cubic root of 533523 is about 81.1056387265.

Adding to 533523 its reverse (325335), we get a palindrome (858858).

The spelling of 533523 in words is "five hundred thirty-three thousand, five hundred twenty-three".