652087393 has 2 divisors, whose sum is σ = 652087394. Its totient is φ = 652087392.

The previous prime is 652087367. The next prime is 652087441. The reversal of 652087393 is 393780256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549105489 + 102981904 = 23433^2 + 10148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652087393 is a prime.

It is not a weakly prime, because it can be changed into another prime (652087333) 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, 326043696 + 326043697.

It is an arithmetic number, because the mean of its divisors is an integer number (326043697).

Almost surely, 2^652087393 is an apocalyptic number.

It is an amenable number.

652087393 is a deficient number, since it is larger than the sum of its proper divisors (1).

652087393 is an equidigital number, since it uses as much as digits as its factorization.

652087393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 652087393 is about 25536.0018992794. The cubic root of 652087393 is about 867.1653870376.

The spelling of 652087393 in words is "six hundred fifty-two million, eighty-seven thousand, three hundred ninety-three".