1663000325 has 12 divisors (see below), whose sum is σ = 2356709280. Its totient is φ = 1140342960.

The previous prime is 1663000291. The next prime is 1663000351. The reversal of 1663000325 is 5230003661.

It is not a de Polignac number, because 1663000325 - 2¹² = 1662996229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1663000294 and 1663000303.

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 11 ways as a sum of consecutive naturals, for example, 4751255 + ... + 4751604.

It is an arithmetic number, because the mean of its divisors is an integer number (196392440).

Almost surely, 2^1663000325 is an apocalyptic number.

It is an amenable number.

1663000325 is a deficient number, since it is larger than the sum of its proper divisors (693708955).

1663000325 is an equidigital number, since it uses as much as digits as its factorization.

1663000325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502876 (or 9502871 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1663000325 is about 40779.9009930137. The cubic root of 1663000325 is about 1184.7610774817.

Adding to 1663000325 its reverse (5230003661), we get a palindrome (6893003986).

The spelling of 1663000325 in words is "one billion, six hundred sixty-three million, three hundred twenty-five", and thus it is an aban number.