65671203 has 12 divisors (see below), whose sum is σ = 94815960. Its totient is φ = 40412736.

The previous prime is 65671181. The next prime is 65671213. The reversal of 65671203 is 30217656.

It is not a de Polignac number, because 65671203 - 2⁸ = 65670947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65671213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64258 + ... + 65271.

It is an arithmetic number, because the mean of its divisors is an integer number (7901330).

Almost surely, 2^65671203 is an apocalyptic number.

65671203 is a deficient number, since it is larger than the sum of its proper divisors (29144757).

65671203 is a wasteful number, since it uses less digits than its factorization.

65671203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129558 (or 129545 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 65671203 is about 8103.7770823240. Note that the first 3 decimals coincide. The cubic root of 65671203 is about 403.4517999266.

Adding to 65671203 its reverse (30217656), we get a palindrome (95888859).

The spelling of 65671203 in words is "sixty-five million, six hundred seventy-one thousand, two hundred three".