65625201 has 8 divisors (see below), whose sum is σ = 97222560. Its totient is φ = 43750116.

The previous prime is 65625199. The next prime is 65625239. The reversal of 65625201 is 10252656.

65625201 is a `hidden beast` number, since 656 + 2 + 5 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 65625201 - 2¹ = 65625199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2430563 = 65625201 / (6 + 5 + 6 + 2 + 5 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (65625251) 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, 1215255 + ... + 1215308.

It is an arithmetic number, because the mean of its divisors is an integer number (12152820).

Almost surely, 2^65625201 is an apocalyptic number.

It is an amenable number.

65625201 is a deficient number, since it is larger than the sum of its proper divisors (31597359).

65625201 is a wasteful number, since it uses less digits than its factorization.

65625201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430572 (or 2430566 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 65625201 is about 8100.9382789897. The cubic root of 65625201 is about 403.3575733142.

Adding to 65625201 its reverse (10252656), we get a palindrome (75877857).

The spelling of 65625201 in words is "sixty-five million, six hundred twenty-five thousand, two hundred one".