7053221 has 8 divisors (see below), whose sum is σ = 8081280. Its totient is φ = 6030288.

The previous prime is 7053217. The next prime is 7053223. The reversal of 7053221 is 1223507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7053221 - 2² = 7053217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7053193 and 7053202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7053223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375 + ... + 4443.

It is an arithmetic number, because the mean of its divisors is an integer number (1010160).

Almost surely, 2^7053221 is an apocalyptic number.

It is an amenable number.

7053221 is a deficient number, since it is larger than the sum of its proper divisors (1028059).

7053221 is a wasteful number, since it uses less digits than its factorization.

7053221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7053221 is about 2655.7900895967. The cubic root of 7053221 is about 191.7766953207.

Adding to 7053221 its reverse (1223507), we get a palindrome (8276728).

The spelling of 7053221 in words is "seven million, fifty-three thousand, two hundred twenty-one".