65197201 has 4 divisors (see below), whose sum is σ = 65244132. Its totient is φ = 65150272.

The previous prime is 65197177. The next prime is 65197211. The reversal of 65197201 is 10279156.

65197201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32433025 + 32764176 = 5695^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 65197201 - 2¹⁷ = 65066129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65197211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21316 + ... + 24181.

It is an arithmetic number, because the mean of its divisors is an integer number (16311033).

Almost surely, 2^65197201 is an apocalyptic number.

It is an amenable number.

65197201 is a deficient number, since it is larger than the sum of its proper divisors (46931).

65197201 is a wasteful number, since it uses less digits than its factorization.

65197201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46930.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 65197201 is about 8074.4783732449. The cubic root of 65197201 is about 402.4787761914.

The spelling of 65197201 in words is "sixty-five million, one hundred ninety-seven thousand, two hundred one".