7495321 has 2 divisors, whose sum is σ = 7495322. Its totient is φ = 7495320.

The previous prime is 7495307. The next prime is 7495339. The reversal of 7495321 is 1235947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 69696 = 2725^2 + 264^2 .

It is an emirp because it is prime and its reverse (1235947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7495321 - 2⁵ = 7495289 is a prime.

It is not a weakly prime, because it can be changed into another prime (7495361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3747660 + 3747661.

It is an arithmetic number, because the mean of its divisors is an integer number (3747661).

Almost surely, 2^7495321 is an apocalyptic number.

It is an amenable number.

7495321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7495321 is an equidigital number, since it uses as much as digits as its factorization.

7495321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 7495321 is about 2737.7583896319. The cubic root of 7495321 is about 195.7026676667.

The spelling of 7495321 in words is "seven million, four hundred ninety-five thousand, three hundred twenty-one".