212392589 has 2 divisors, whose sum is σ = 212392590. Its totient is φ = 212392588.

The previous prime is 212392567. The next prime is 212392591. The reversal of 212392589 is 985293212.

212392589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151708489 + 60684100 = 12317^2 + 7790^2 .

It is a cyclic number.

It is not a de Polignac number, because 212392589 - 2¹² = 212388493 is a prime.

It is a super-2 number, since 2×212392589² = 90221223724245842, which contains 22 as substring.

Together with 212392591, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212392529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106196294 + 106196295.

It is an arithmetic number, because the mean of its divisors is an integer number (106196295).

Almost surely, 2^212392589 is an apocalyptic number.

It is an amenable number.

212392589 is a deficient number, since it is larger than the sum of its proper divisors (1).

212392589 is an equidigital number, since it uses as much as digits as its factorization.

212392589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 212392589 is about 14573.6951045368. The cubic root of 212392589 is about 596.6410353141.

The spelling of 212392589 in words is "two hundred twelve million, three hundred ninety-two thousand, five hundred eighty-nine".