663614325 has 72 divisors (see below), whose sum is σ = 1321388640. Its totient is φ = 315619200.

The previous prime is 663614317. The next prime is 663614353. The reversal of 663614325 is 523416366.

663614325 is a `hidden beast` number, since 6 + 6 + 3 + 614 + 32 + 5 = 666.

It is not a de Polignac number, because 663614325 - 2³ = 663614317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663614325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 128646 + ... + 133704.

It is an arithmetic number, because the mean of its divisors is an integer number (18352620).

Almost surely, 2^663614325 is an apocalyptic number.

It is an amenable number.

663614325 is a deficient number, since it is larger than the sum of its proper divisors (657774315).

663614325 is a wasteful number, since it uses less digits than its factorization.

663614325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139 (or 5131 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 663614325 is about 25760.7128201065. The cubic root of 663614325 is about 872.2451917776.

The spelling of 663614325 in words is "six hundred sixty-three million, six hundred fourteen thousand, three hundred twenty-five".