65894211 has 12 divisors (see below), whose sum is σ = 96977088. Its totient is φ = 43100304.

The previous prime is 65894197. The next prime is 65894233. The reversal of 65894211 is 11249856.

It is not a de Polignac number, because 65894211 - 2¹¹ = 65892163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65894111) 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 11 ways as a sum of consecutive naturals, for example, 68595 + ... + 69548.

It is an arithmetic number, because the mean of its divisors is an integer number (8081424).

Almost surely, 2^65894211 is an apocalyptic number.

65894211 is a deficient number, since it is larger than the sum of its proper divisors (31082877).

65894211 is a wasteful number, since it uses less digits than its factorization.

65894211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138202 (or 138199 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 65894211 is about 8117.5249306670. The cubic root of 65894211 is about 403.9079680409.

The spelling of 65894211 in words is "sixty-five million, eight hundred ninety-four thousand, two hundred eleven".