225089 has 2 divisors, whose sum is σ = 225090. Its totient is φ = 225088.

The previous prime is 225079. The next prime is 225109. The reversal of 225089 is 980522.

225089 is nontrivially palindromic in base 13.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146689 + 78400 = 383^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 225089 - 2¹⁶ = 159553 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (225079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112544 + 112545.

It is an arithmetic number, because the mean of its divisors is an integer number (112545).

2²²⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

225089 is a deficient number, since it is larger than the sum of its proper divisors (1).

225089 is an equidigital number, since it uses as much as digits as its factorization.

225089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 225089 is about 474.4354539872. The cubic root of 225089 is about 60.8300383945.

The spelling of 225089 in words is "two hundred twenty-five thousand, eighty-nine".