652921393 has 2 divisors, whose sum is σ = 652921394. Its totient is φ = 652921392.

The previous prime is 652921361. The next prime is 652921459. The reversal of 652921393 is 393129256.

652921393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453349264 + 199572129 = 21292^2 + 14127^2 .

It is a cyclic number.

It is not a de Polignac number, because 652921393 - 2⁵ = 652921361 is a prime.

It is not a weakly prime, because it can be changed into another prime (652921303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326460696 + 326460697.

It is an arithmetic number, because the mean of its divisors is an integer number (326460697).

Almost surely, 2^652921393 is an apocalyptic number.

It is an amenable number.

652921393 is a deficient number, since it is larger than the sum of its proper divisors (1).

652921393 is an equidigital number, since it uses as much as digits as its factorization.

652921393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 652921393 is about 25552.3265672619. The cubic root of 652921393 is about 867.5349222848.

The spelling of 652921393 in words is "six hundred fifty-two million, nine hundred twenty-one thousand, three hundred ninety-three".