3533 has 2 divisors, whose sum is σ = 3534. Its totient is φ = 3532.

The previous prime is 3529. The next prime is 3539. The reversal of 3533 is 3353.

3533 is nontrivially palindromic in base 16.

3533 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3364 + 169 = 58^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 3533 - 2² = 3529 is a prime.

3533 is an undulating number in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1766 + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (1767).

2³⁵³³ is an apocalyptic number.

It is an amenable number.

3533 is a deficient number, since it is larger than the sum of its proper divisors (1).

3533 is an equidigital number, since it uses as much as digits as its factorization.

3533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135, while the sum is 14.

The square root of 3533 is about 59.4390444069. The cubic root of 3533 is about 15.2305134964.

Adding to 3533 its reverse (3353), we get a palindrome (6886).

The spelling of 3533 in words is "three thousand, five hundred thirty-three".