162533 has 12 divisors (see below), whose sum is σ = 196992. Its totient is φ = 133560.

The previous prime is 162529. The next prime is 162553. The reversal of 162533 is 335261.

It is not a de Polignac number, because 162533 - 2² = 162529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1466 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2¹⁶²⁵³³ is an apocalyptic number.

It is an amenable number.

162533 is a deficient number, since it is larger than the sum of its proper divisors (34459).

162533 is a wasteful number, since it uses less digits than its factorization.

162533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 145 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 162533 is about 403.1538167995. The cubic root of 162533 is about 54.5733378482.

Adding to 162533 its reverse (335261), we get a palindrome (497794).

The spelling of 162533 in words is "one hundred sixty-two thousand, five hundred thirty-three".