106003321 has 2 divisors, whose sum is σ = 106003322. Its totient is φ = 106003320.

The previous prime is 106003319. The next prime is 106003333. The reversal of 106003321 is 123300601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73342096 + 32661225 = 8564^2 + 5715^2 .

It is an emirp because it is prime and its reverse (123300601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106003321 - 2¹ = 106003319 is a prime.

It is a super-2 number, since 2×106003321² = 22473408126058082, which contains 22 as substring.

Together with 106003319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 106003295 and 106003304.

It is not a weakly prime, because it can be changed into another prime (106003351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53001660 + 53001661.

It is an arithmetic number, because the mean of its divisors is an integer number (53001661).

Almost surely, 2^106003321 is an apocalyptic number.

It is an amenable number.

106003321 is a deficient number, since it is larger than the sum of its proper divisors (1).

106003321 is an equidigital number, since it uses as much as digits as its factorization.

106003321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 106003321 is about 10295.7914217412. The cubic root of 106003321 is about 473.2672915310.

Adding to 106003321 its reverse (123300601), we get a palindrome (229303922).

The spelling of 106003321 in words is "one hundred six million, three thousand, three hundred twenty-one".