606746653 has 2 divisors, whose sum is σ = 606746654. Its totient is φ = 606746652.

The previous prime is 606746639. The next prime is 606746669. The reversal of 606746653 is 356647606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 513566244 + 93180409 = 22662^2 + 9653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606746653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606746633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303373326 + 303373327.

It is an arithmetic number, because the mean of its divisors is an integer number (303373327).

Almost surely, 2^606746653 is an apocalyptic number.

It is an amenable number.

606746653 is a deficient number, since it is larger than the sum of its proper divisors (1).

606746653 is an equidigital number, since it uses as much as digits as its factorization.

606746653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 606746653 is about 24632.2279341516. The cubic root of 606746653 is about 846.5821939373.

The spelling of 606746653 in words is "six hundred six million, seven hundred forty-six thousand, six hundred fifty-three".