65563201 has 8 divisors (see below), whose sum is σ = 71781408. Its totient is φ = 59388000.

The previous prime is 65563189. The next prime is 65563213. The reversal of 65563201 is 10236556.

It is an interprime number because it is at equal distance from previous prime (65563189) and next prime (65563213).

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 65563201 - 2⁹ = 65562689 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 65563201.

It is not an unprimeable number, because it can be changed into a prime (65563231) 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, 7515 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (8972676).

Almost surely, 2^65563201 is an apocalyptic number.

It is an amenable number.

65563201 is a deficient number, since it is larger than the sum of its proper divisors (6218207).

65563201 is a wasteful number, since it uses less digits than its factorization.

65563201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21503.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 65563201 is about 8097.1106575123. The cubic root of 65563201 is about 403.2305080564.

Adding to 65563201 its reverse (10236556), we get a palindrome (75799757).

The spelling of 65563201 in words is "sixty-five million, five hundred sixty-three thousand, two hundred one".