211065460 has 24 divisors (see below), whose sum is σ = 444590496. Its totient is φ = 84168480.

The previous prime is 211065443. The next prime is 211065461. The reversal of 211065460 is 64560112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211065461) 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 7 ways as a sum of consecutive naturals, for example, 9322 + ... + 22561.

It is an arithmetic number, because the mean of its divisors is an integer number (18524604).

Almost surely, 2^211065460 is an apocalyptic number.

211065460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211065460 is an abundant number, since it is smaller than the sum of its proper divisors (233525036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211065460 is a wasteful number, since it uses less digits than its factorization.

211065460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32223 (or 32221 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 211065460 is about 14528.0920977257. The cubic root of 211065460 is about 595.3957398387.

The spelling of 211065460 in words is "two hundred eleven million, sixty-five thousand, four hundred sixty".