10218589 has 2 divisors, whose sum is σ = 10218590. Its totient is φ = 10218588.

The previous prime is 10218583. The next prime is 10218617. The reversal of 10218589 is 98581201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 3802500 = 2533^2 + 1950^2 .

It is an emirp because it is prime and its reverse (98581201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10218589 - 2⁵ = 10218557 is a prime.

It is a super-2 number, since 2×10218589² = 208839122301842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10218583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109294 + 5109295.

It is an arithmetic number, because the mean of its divisors is an integer number (5109295).

Almost surely, 2^10218589 is an apocalyptic number.

It is an amenable number.

10218589 is a deficient number, since it is larger than the sum of its proper divisors (1).

10218589 is an equidigital number, since it uses as much as digits as its factorization.

10218589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 10218589 is about 3196.6527806442. The cubic root of 10218589 is about 217.0019537296.

The spelling of 10218589 in words is "ten million, two hundred eighteen thousand, five hundred eighty-nine".