16042447 has 2 divisors, whose sum is σ = 16042448. Its totient is φ = 16042446.

The previous prime is 16042427. The next prime is 16042457. The reversal of 16042447 is 74424061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16042447 - 2⁷ = 16042319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16042427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021223 + 8021224.

It is an arithmetic number, because the mean of its divisors is an integer number (8021224).

Almost surely, 2^16042447 is an apocalyptic number.

16042447 is a deficient number, since it is larger than the sum of its proper divisors (1).

16042447 is an equidigital number, since it uses as much as digits as its factorization.

16042447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 16042447 is about 4005.3023606215. The cubic root of 16042447 is about 252.2068460018.

The spelling of 16042447 in words is "sixteen million, forty-two thousand, four hundred forty-seven".