63585645 has 8 divisors (see below), whose sum is σ = 101737056. Its totient is φ = 33912336.

The previous prime is 63585583. The next prime is 63585649. The reversal of 63585645 is 54658536.

It is a happy number.

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

It is not a de Polignac number, because 63585645 - 2⁶ = 63585581 is a prime.

It is a super-3 number, since 3×63585645³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63585597 and 63585606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63585649) 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, 2119507 + ... + 2119536.

It is an arithmetic number, because the mean of its divisors is an integer number (12717132).

Almost surely, 2^63585645 is an apocalyptic number.

It is an amenable number.

63585645 is a deficient number, since it is larger than the sum of its proper divisors (38151411).

63585645 is a wasteful number, since it uses less digits than its factorization.

63585645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239051.

The product of its digits is 432000, while the sum is 42.

The square root of 63585645 is about 7974.0607597384. The cubic root of 63585645 is about 399.1348907304.

The spelling of 63585645 in words is "sixty-three million, five hundred eighty-five thousand, six hundred forty-five".