606653387 has 2 divisors, whose sum is σ = 606653388. Its totient is φ = 606653386.

The previous prime is 606653371. The next prime is 606653389. The reversal of 606653387 is 783356606.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 606653387 - 2⁴ = 606653371 is a prime.

Together with 606653389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (606653389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303326693 + 303326694.

It is an arithmetic number, because the mean of its divisors is an integer number (303326694).

Almost surely, 2^606653387 is an apocalyptic number.

606653387 is a deficient number, since it is larger than the sum of its proper divisors (1).

606653387 is an equidigital number, since it uses as much as digits as its factorization.

606653387 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 44.

The square root of 606653387 is about 24630.3346911892. The cubic root of 606653387 is about 846.5388142826.

The spelling of 606653387 in words is "six hundred six million, six hundred fifty-three thousand, three hundred eighty-seven".