63648245 has 8 divisors (see below), whose sum is σ = 79698816. Its totient is φ = 48704656.

The previous prime is 63648241. The next prime is 63648253. The reversal of 63648245 is 54284636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63648245 - 2² = 63648241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63648199 and 63648208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63648241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276617 + ... + 276846.

It is an arithmetic number, because the mean of its divisors is an integer number (9962352).

Almost surely, 2^63648245 is an apocalyptic number.

It is an amenable number.

63648245 is a deficient number, since it is larger than the sum of its proper divisors (16050571).

63648245 is a wasteful number, since it uses less digits than its factorization.

63648245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553491.

The product of its digits is 138240, while the sum is 38.

The square root of 63648245 is about 7977.9850212945. The cubic root of 63648245 is about 399.2658303952.

The spelling of 63648245 in words is "sixty-three million, six hundred forty-eight thousand, two hundred forty-five".