663513005 has 8 divisors (see below), whose sum is σ = 814732512. Its totient is φ = 518465808.

The previous prime is 663512999. The next prime is 663513013. The reversal of 663513005 is 500315366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663513005 - 2²⁶ = 596404141 is a prime.

It is a super-3 number, since 3×663513005³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542839 + ... + 1543268.

It is an arithmetic number, because the mean of its divisors is an integer number (101841564).

Almost surely, 2^663513005 is an apocalyptic number.

It is an amenable number.

663513005 is a deficient number, since it is larger than the sum of its proper divisors (151219507).

663513005 is a wasteful number, since it uses less digits than its factorization.

663513005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086155.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 663513005 is about 25758.7461845487. The cubic root of 663513005 is about 872.2007983312.

The spelling of 663513005 in words is "six hundred sixty-three million, five hundred thirteen thousand, five".