16000289 has 2 divisors, whose sum is σ = 16000290. Its totient is φ = 16000288.

The previous prime is 16000277. The next prime is 16000307. The reversal of 16000289 is 98200061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 289 = 4000^2 + 17^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16000289 is a prime.

It is not a weakly prime, because it can be changed into another prime (16000189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000144 + 8000145.

It is an arithmetic number, because the mean of its divisors is an integer number (8000145).

Almost surely, 2^16000289 is an apocalyptic number.

It is an amenable number.

16000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000289 is an equidigital number, since it uses as much as digits as its factorization.

16000289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 16000289 is about 4000.0361248369. The cubic root of 16000289 is about 251.9857271248.

The spelling of 16000289 in words is "sixteen million, two hundred eighty-nine", and thus it is an aban number.