211485 has 16 divisors (see below), whose sum is σ = 353664. Its totient is φ = 107712.

The previous prime is 211469. The next prime is 211493. The reversal of 211485 is 584112.

It is not a de Polignac number, because 211485 - 2⁴ = 211469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 651.

It is an arithmetic number, because the mean of its divisors is an integer number (22104).

2²¹¹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

211485 is a deficient number, since it is larger than the sum of its proper divisors (142179).

211485 is a wasteful number, since it uses less digits than its factorization.

211485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its digits is 320, while the sum is 21.

The square root of 211485 is about 459.8749830117. The cubic root of 211485 is about 59.5789972991.

Adding to 211485 its reverse (584112), we get a palindrome (795597).

It can be divided in two parts, 211 and 485, that added together give a palindrome (696).

The spelling of 211485 in words is "two hundred eleven thousand, four hundred eighty-five".