663062500 has 63 divisors (see below), whose sum is σ = 1464649221. Its totient is φ = 262650000.

The previous prime is 663062479. The next prime is 663062557. The reversal of 663062500 is 5260366.

The square root of 663062500 is 25750.

It is a perfect power (a square), and thus also a powerful number.

663062500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 580906404 + 82156096 = 24102^2 + 9064^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 6437449 + ... + 6437551.

Almost surely, 2^663062500 is an apocalyptic number.

663062500 is the 25750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663062500

663062500 is an abundant number, since it is smaller than the sum of its proper divisors (801586721).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663062500 is an frugal number, since it uses more digits than its factorization.

663062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The cubic root of 663062500 is about 872.0033544326.

The spelling of 663062500 in words is "six hundred sixty-three million, sixty-two thousand, five hundred".