663125480 has 32 divisors (see below), whose sum is σ = 1505730600. Its totient is φ = 262814976.

The previous prime is 663125461. The next prime is 663125483. The reversal of 663125480 is 84521366.

It can be written as a sum of positive squares in 4 ways, for example, as 540934564 + 122190916 = 23258^2 + 11054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 663125480.

It is not an unprimeable number, because it can be changed into a prime (663125483) by changing a digit.

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, 71687 + ... + 80406.

Almost surely, 2^663125480 is an apocalyptic number.

It is an amenable number.

663125480 is an abundant number, since it is smaller than the sum of its proper divisors (842605120).

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

663125480 is a wasteful number, since it uses less digits than its factorization.

663125480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152213 (or 152209 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 663125480 is about 25751.2228835836. Note that the first 3 decimals coincide. The cubic root of 663125480 is about 872.0309622034.

The spelling of 663125480 in words is "six hundred sixty-three million, one hundred twenty-five thousand, four hundred eighty".