16301489 has 2 divisors, whose sum is σ = 16301490. Its totient is φ = 16301488.

The previous prime is 16301471. The next prime is 16301531. The reversal of 16301489 is 98410361.

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., 15366400 + 935089 = 3920^2 + 967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16301489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16301459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8150744 + 8150745.

It is an arithmetic number, because the mean of its divisors is an integer number (8150745).

Almost surely, 2^16301489 is an apocalyptic number.

It is an amenable number.

16301489 is a deficient number, since it is larger than the sum of its proper divisors (1).

16301489 is an equidigital number, since it uses as much as digits as its factorization.

16301489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 16301489 is about 4037.5102476650. The cubic root of 16301489 is about 253.5570897438.

The spelling of 16301489 in words is "sixteen million, three hundred one thousand, four hundred eighty-nine".