7325021 has 8 divisors (see below), whose sum is σ = 8249088. Its totient is φ = 6444000.

The previous prime is 7324969. The next prime is 7325029. The reversal of 7325021 is 1205237.

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 7325021 - 2⁶ = 7324957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7324984 and 7325002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7325029) 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, 10400 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (1031136).

Almost surely, 2^7325021 is an apocalyptic number.

It is an amenable number.

7325021 is a deficient number, since it is larger than the sum of its proper divisors (924067).

7325021 is a wasteful number, since it uses less digits than its factorization.

7325021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523.

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

The square root of 7325021 is about 2706.4776001290. The cubic root of 7325021 is about 194.2091219297.

The spelling of 7325021 in words is "seven million, three hundred twenty-five thousand, twenty-one".