163532533 has 4 divisors (see below), whose sum is σ = 168807808. Its totient is φ = 158257260.

The previous prime is 163532531. The next prime is 163532539. The reversal of 163532533 is 335235361.

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.

It is a cyclic number.

It is not a de Polignac number, because 163532533 - 2¹ = 163532531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 5275243 = 163532533 / (1 + 6 + 3 + 5 + 3 + 2 + 5 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163532495 and 163532504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163532531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637591 + ... + 2637652.

It is an arithmetic number, because the mean of its divisors is an integer number (42201952).

Almost surely, 2^163532533 is an apocalyptic number.

It is an amenable number.

163532533 is a deficient number, since it is larger than the sum of its proper divisors (5275275).

163532533 is an equidigital number, since it uses as much as digits as its factorization.

163532533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275274.

The product of its digits is 24300, while the sum is 31.

The square root of 163532533 is about 12787.9839302370. The cubic root of 163532533 is about 546.8497961631.

Adding to 163532533 its reverse (335235361), we get a palindrome (498767894).

The spelling of 163532533 in words is "one hundred sixty-three million, five hundred thirty-two thousand, five hundred thirty-three".