106533321 has 4 divisors (see below), whose sum is σ = 142044432. Its totient is φ = 71022212.

The previous prime is 106533311. The next prime is 106533331. The reversal of 106533321 is 123335601.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 123335601 = 3 ⋅41111867.

It is an interprime number because it is at equal distance from previous prime (106533311) and next prime (106533331).

It is a cyclic number.

It is not a de Polignac number, because 106533321 - 2⁵ = 106533289 is a prime.

It is a super-3 number, since 3×106533321³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 106533291 and 106533300.

It is not an unprimeable number, because it can be changed into a prime (106533311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17755551 + ... + 17755556.

It is an arithmetic number, because the mean of its divisors is an integer number (35511108).

Almost surely, 2^106533321 is an apocalyptic number.

It is an amenable number.

106533321 is a deficient number, since it is larger than the sum of its proper divisors (35511111).

106533321 is an equidigital number, since it uses as much as digits as its factorization.

106533321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35511110.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 106533321 is about 10321.4980017437. The cubic root of 106533321 is about 474.0547347286.

Adding to 106533321 its reverse (123335601), we get a palindrome (229868922).

The spelling of 106533321 in words is "one hundred six million, five hundred thirty-three thousand, three hundred twenty-one".