212085453 has 8 divisors (see below), whose sum is σ = 284845248. Its totient is φ = 140357984.

The previous prime is 212085451. The next prime is 212085473. The reversal of 212085453 is 354580212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212085453 - 2¹ = 212085451 is a prime.

It is a super-3 number, since 3×212085453³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212085453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212085451) 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, 257601 + ... + 258422.

It is an arithmetic number, because the mean of its divisors is an integer number (35605656).

Almost surely, 2^212085453 is an apocalyptic number.

It is an amenable number.

212085453 is a deficient number, since it is larger than the sum of its proper divisors (72759795).

212085453 is a wasteful number, since it uses less digits than its factorization.

212085453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516163.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 212085453 is about 14563.1539509819. The cubic root of 212085453 is about 596.3533003166.

The spelling of 212085453 in words is "two hundred twelve million, eighty-five thousand, four hundred fifty-three".