3587321 has 2 divisors, whose sum is σ = 3587322. Its totient is φ = 3587320.

The previous prime is 3587317. The next prime is 3587347. The reversal of 3587321 is 1237853.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2062096 + 1525225 = 1436^2 + 1235^2 .

It is an emirp because it is prime and its reverse (1237853) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3587321 - 2² = 3587317 is a prime.

It is not a weakly prime, because it can be changed into another prime (3587021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1793660 + 1793661.

It is an arithmetic number, because the mean of its divisors is an integer number (1793661).

Almost surely, 2^3587321 is an apocalyptic number.

It is an amenable number.

3587321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3587321 is an equidigital number, since it uses as much as digits as its factorization.

3587321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 3587321 is about 1894.0224391490. The cubic root of 3587321 is about 153.0817482174.

The spelling of 3587321 in words is "three million, five hundred eighty-seven thousand, three hundred twenty-one".