212113589 has 2 divisors, whose sum is σ = 212113590. Its totient is φ = 212113588.

The previous prime is 212113571. The next prime is 212113609. The reversal of 212113589 is 985311212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201157489 + 10956100 = 14183^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 212113589 - 2⁸ = 212113333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212113189) 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 as a sum of consecutive naturals, namely, 106056794 + 106056795.

It is an arithmetic number, because the mean of its divisors is an integer number (106056795).

Almost surely, 2^212113589 is an apocalyptic number.

It is an amenable number.

212113589 is a deficient number, since it is larger than the sum of its proper divisors (1).

212113589 is an equidigital number, since it uses as much as digits as its factorization.

212113589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The square root of 212113589 is about 14564.1199184846. The cubic root of 212113589 is about 596.3796705906.

The spelling of 212113589 in words is "two hundred twelve million, one hundred thirteen thousand, five hundred eighty-nine".