605056663 has 4 divisors (see below), whose sum is σ = 606131928. Its totient is φ = 603981400.

The previous prime is 605056651. The next prime is 605056679. The reversal of 605056663 is 366650506.

It is a happy number.

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 605056663 - 2²⁹ = 68185751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605056603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536788 + ... + 537913.

It is an arithmetic number, because the mean of its divisors is an integer number (151532982).

Almost surely, 2^605056663 is an apocalyptic number.

605056663 is a deficient number, since it is larger than the sum of its proper divisors (1075265).

605056663 is a wasteful number, since it uses less digits than its factorization.

605056663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075264.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 605056663 is about 24597.8995648002. The cubic root of 605056663 is about 845.7954592913.

The spelling of 605056663 in words is "six hundred five million, fifty-six thousand, six hundred sixty-three".