65470211 has 4 divisors (see below), whose sum is σ = 66705552. Its totient is φ = 64234872.

The previous prime is 65470187. The next prime is 65470217. The reversal of 65470211 is 11207456.

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 65470211 - 2¹⁸ = 65208067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65470217) 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, 617591 + ... + 617696.

It is an arithmetic number, because the mean of its divisors is an integer number (16676388).

Almost surely, 2^65470211 is an apocalyptic number.

65470211 is a deficient number, since it is larger than the sum of its proper divisors (1235341).

65470211 is a wasteful number, since it uses less digits than its factorization.

65470211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235340.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 65470211 is about 8091.3664482583. The cubic root of 65470211 is about 403.0397804036.

Adding to 65470211 its reverse (11207456), we get a palindrome (76677667).

The spelling of 65470211 in words is "sixty-five million, four hundred seventy thousand, two hundred eleven".