289364027 has 2 divisors, whose sum is σ = 289364028. Its totient is φ = 289364026.

The previous prime is 289364011. The next prime is 289364051. The reversal of 289364027 is 720463982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289364027 - 2⁴ = 289364011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (289364077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144682013 + 144682014.

It is an arithmetic number, because the mean of its divisors is an integer number (144682014).

Almost surely, 2^289364027 is an apocalyptic number.

289364027 is a deficient number, since it is larger than the sum of its proper divisors (1).

289364027 is an equidigital number, since it uses as much as digits as its factorization.

289364027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 289364027 is about 17010.7033070358. The cubic root of 289364027 is about 661.4263817413.

The spelling of 289364027 in words is "two hundred eighty-nine million, three hundred sixty-four thousand, twenty-seven".