212446485 has 24 divisors (see below), whose sum is σ = 369359640. Its totient is φ = 112960512.

The previous prime is 212446483. The next prime is 212446513. The reversal of 212446485 is 584644212.

212446485 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 4 + 648 + 5 = 666.

212446485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25796241 + 186650244 = 5079^2 + 13662^2 .

It is not a de Polignac number, because 212446485 - 2¹ = 212446483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212446483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8161 + ... + 22169.

It is an arithmetic number, because the mean of its divisors is an integer number (15389985).

Almost surely, 2^212446485 is an apocalyptic number.

It is an amenable number.

212446485 is a deficient number, since it is larger than the sum of its proper divisors (156913155).

212446485 is a wasteful number, since it uses less digits than its factorization.

212446485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357 (or 14354 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 212446485 is about 14575.5440721779. The cubic root of 212446485 is about 596.6914982262.

The spelling of 212446485 in words is "two hundred twelve million, four hundred forty-six thousand, four hundred eighty-five".