212295589 has 12 divisors (see below), whose sum is σ = 243498528. Its totient is φ = 184602440.

The previous prime is 212295553. The next prime is 212295599. The reversal of 212295589 is 985592212.

It is not a de Polignac number, because 212295589 - 2²¹ = 210198437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212295599) 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, 35359 + ... + 40924.

It is an arithmetic number, because the mean of its divisors is an integer number (20291544).

Almost surely, 2^212295589 is an apocalyptic number.

It is an amenable number.

212295589 is a deficient number, since it is larger than the sum of its proper divisors (31202939).

212295589 is a wasteful number, since it uses less digits than its factorization.

212295589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76328 (or 76317 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 212295589 is about 14570.3668107567. The cubic root of 212295589 is about 596.5501925445.

The spelling of 212295589 in words is "two hundred twelve million, two hundred ninety-five thousand, five hundred eighty-nine".