533161 has 4 divisors (see below), whose sum is σ = 534672. Its totient is φ = 531652.

The previous prime is 533149. The next prime is 533167. The reversal of 533161 is 161335.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 533161 - 2⁵ = 533129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533167) 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, 90 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (133668).

2⁵³³¹⁶¹ is an apocalyptic number.

It is an amenable number.

533161 is a deficient number, since it is larger than the sum of its proper divisors (1511).

533161 is an equidigital number, since it uses as much as digits as its factorization.

533161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its digits is 270, while the sum is 19.

The square root of 533161 is about 730.1787452398. The cubic root of 533161 is about 81.0872909488.

Adding to 533161 its reverse (161335), we get a palindrome (694496).

The spelling of 533161 in words is "five hundred thirty-three thousand, one hundred sixty-one".