533 has 4 divisors (see below), whose sum is σ = 588. Its totient is φ = 480.

The previous prime is 523. The next prime is 541. The reversal of 533 is 335.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 335 = 5 ⋅67.

It can be written as a sum of positive squares in 2 ways, for example, as 49 + 484 = 7^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 533 - 2^{8} = 277 is a prime.

It is a Duffinian number.

533 is a modest number, since divided by 33 gives 5 as remainder.

It is a plaindrome in base 6, base 11 and base 15.

It is a nialpdrome in base 9, base 10 and base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 533.

It is not an unprimeable number, because it can be changed into a prime (503) 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, 8 + ... + 33.

It is an arithmetic number, because the mean of its divisors is an integer number (147).

It is an amenable number.

533 is a deficient number, since it is larger than the sum of its proper divisors (55).

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

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

The sum of its prime factors is 54.

The product of its digits is 45, while the sum is 11.

The square root of 533 is about 23.0867927612. The cubic root of 533 is about 8.1079128081.

Adding to 533 its reverse (335), we get a palindrome (868).

The spelling of 533 in words is "five hundred thirty-three", and thus it is an aban number and an oban number.

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.179 sec. • engine limits •