606613393 has 2 divisors, whose sum is σ = 606613394. Its totient is φ = 606613392.

The previous prime is 606613369. The next prime is 606613433. The reversal of 606613393 is 393316606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596922624 + 9690769 = 24432^2 + 3113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606613393 is a prime.

It is not a weakly prime, because it can be changed into another prime (606613313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303306696 + 303306697.

It is an arithmetic number, because the mean of its divisors is an integer number (303306697).

Almost surely, 2^606613393 is an apocalyptic number.

It is an amenable number.

606613393 is a deficient number, since it is larger than the sum of its proper divisors (1).

606613393 is an equidigital number, since it uses as much as digits as its factorization.

606613393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 606613393 is about 24629.5227927786. The cubic root of 606613393 is about 846.5202110087.

Adding to 606613393 its reverse (393316606), we get a palindrome (999929999).

The spelling of 606613393 in words is "six hundred six million, six hundred thirteen thousand, three hundred ninety-three".