7050321 has 10 divisors (see below), whose sum is σ = 10532082. Its totient is φ = 4700160.

The previous prime is 7050301. The next prime is 7050353. The reversal of 7050321 is 1230507.

It can be written as a sum of positive squares in only one way, i.e., 7049025 + 1296 = 2655^2 + 36^2 .

It is not a de Polignac number, because 7050321 - 2⁷ = 7050193 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7050294 and 7050303.

It is not an unprimeable number, because it can be changed into a prime (7050301) 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 9 ways as a sum of consecutive naturals, for example, 43440 + ... + 43601.

Almost surely, 2^7050321 is an apocalyptic number.

It is an amenable number.

7050321 is a deficient number, since it is larger than the sum of its proper divisors (3481761).

7050321 is an equidigital number, since it uses as much as digits as its factorization.

7050321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87053 (or 87044 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 7050321 is about 2655.2440565794. The cubic root of 7050321 is about 191.7504081035.

Adding to 7050321 its reverse (1230507), we get a palindrome (8280828).

The spelling of 7050321 in words is "seven million, fifty thousand, three hundred twenty-one".