663250463 has 4 divisors (see below), whose sum is σ = 663331008. Its totient is φ = 663169920.

The previous prime is 663250459. The next prime is 663250477. The reversal of 663250463 is 364052366.

663250463 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 663250463 - 2² = 663250459 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 (663250663) 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, 26306 + ... + 44927.

It is an arithmetic number, because the mean of its divisors is an integer number (165832752).

Almost surely, 2^663250463 is an apocalyptic number.

663250463 is a deficient number, since it is larger than the sum of its proper divisors (80545).

663250463 is an equidigital number, since it uses as much as digits as its factorization.

663250463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80544.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 663250463 is about 25753.6495083707. The cubic root of 663250463 is about 872.0857442934.

The spelling of 663250463 in words is "six hundred sixty-three million, two hundred fifty thousand, four hundred sixty-three".