202089289 has 2 divisors, whose sum is σ = 202089290. Its totient is φ = 202089288.

The previous prime is 202089271. The next prime is 202089343. The reversal of 202089289 is 982980202.

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., 123943689 + 78145600 = 11133^2 + 8840^2 .

It is a cyclic number.

It is not a de Polignac number, because 202089289 - 2⁵ = 202089257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202089229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101044644 + 101044645.

It is an arithmetic number, because the mean of its divisors is an integer number (101044645).

Almost surely, 2^202089289 is an apocalyptic number.

It is an amenable number.

202089289 is a deficient number, since it is larger than the sum of its proper divisors (1).

202089289 is an equidigital number, since it uses as much as digits as its factorization.

202089289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 202089289 is about 14215.8112325678. The cubic root of 202089289 is about 586.8328702580.

The spelling of 202089289 in words is "two hundred two million, eighty-nine thousand, two hundred eighty-nine".