65563627 has 4 divisors (see below), whose sum is σ = 65608200. Its totient is φ = 65519056.

The previous prime is 65563621. The next prime is 65563649. The reversal of 65563627 is 72636556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65563627 - 2⁷ = 65563499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65563627.

It is not an unprimeable number, because it can be changed into a prime (65563621) 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 3 ways as a sum of consecutive naturals, for example, 20002 + ... + 23047.

It is an arithmetic number, because the mean of its divisors is an integer number (16402050).

Almost surely, 2^65563627 is an apocalyptic number.

65563627 is a deficient number, since it is larger than the sum of its proper divisors (44573).

65563627 is a wasteful number, since it uses less digits than its factorization.

65563627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44572.

The product of its digits is 226800, while the sum is 40.

The square root of 65563627 is about 8097.1369631494. The cubic root of 65563627 is about 403.2313813909.

The spelling of 65563627 in words is "sixty-five million, five hundred sixty-three thousand, six hundred twenty-seven".