606645871 has 4 divisors (see below), whose sum is σ = 653310952. Its totient is φ = 559980792.

The previous prime is 606645869. The next prime is 606645887. The reversal of 606645871 is 178546606.

It is a happy number.

606645871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 606645871 - 2¹ = 606645869 is a prime.

It is a super-3 number, since 3×606645871³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606645071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23332521 + ... + 23332546.

It is an arithmetic number, because the mean of its divisors is an integer number (163327738).

Almost surely, 2^606645871 is an apocalyptic number.

606645871 is a deficient number, since it is larger than the sum of its proper divisors (46665081).

606645871 is a wasteful number, since it uses less digits than its factorization.

606645871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46665080.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 606645871 is about 24630.1821146333. The cubic root of 606645871 is about 846.5353182654.

The spelling of 606645871 in words is "six hundred six million, six hundred forty-five thousand, eight hundred seventy-one".