212292589 has 2 divisors, whose sum is σ = 212292590. Its totient is φ = 212292588.

The previous prime is 212292527. The next prime is 212292593. The reversal of 212292589 is 985292212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201782025 + 10510564 = 14205^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 212292589 - 2⁹ = 212292077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212292989) 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 as a sum of consecutive naturals, namely, 106146294 + 106146295.

It is an arithmetic number, because the mean of its divisors is an integer number (106146295).

Almost surely, 2^212292589 is an apocalyptic number.

It is an amenable number.

212292589 is a deficient number, since it is larger than the sum of its proper divisors (1).

212292589 is an equidigital number, since it uses as much as digits as its factorization.

212292589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 212292589 is about 14570.2638617151. The cubic root of 212292589 is about 596.5473825332.

The spelling of 212292589 in words is "two hundred twelve million, two hundred ninety-two thousand, five hundred eighty-nine".