7025321 has 4 divisors (see below), whose sum is σ = 7093632. Its totient is φ = 6957012.

The previous prime is 7025311. The next prime is 7025329. The reversal of 7025321 is 1235207.

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 a de Polignac number, because none of the positive numbers 2^k-7025321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7025293 and 7025302.

It is not an unprimeable number, because it can be changed into a prime (7025329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34001 + ... + 34206.

It is an arithmetic number, because the mean of its divisors is an integer number (1773408).

Almost surely, 2^7025321 is an apocalyptic number.

It is an amenable number.

7025321 is a deficient number, since it is larger than the sum of its proper divisors (68311).

7025321 is a wasteful number, since it uses less digits than its factorization.

7025321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68310.

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

The square root of 7025321 is about 2650.5322107079. The cubic root of 7025321 is about 191.5234946757.

The spelling of 7025321 in words is "seven million, twenty-five thousand, three hundred twenty-one".