16053809 has 2 divisors, whose sum is σ = 16053810. Its totient is φ = 16053808.

The previous prime is 16053787. The next prime is 16053833. The reversal of 16053809 is 90835061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14799409 + 1254400 = 3847^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 16053809 - 2¹² = 16049713 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16053109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8026904 + 8026905.

It is an arithmetic number, because the mean of its divisors is an integer number (8026905).

Almost surely, 2^16053809 is an apocalyptic number.

It is an amenable number.

16053809 is a deficient number, since it is larger than the sum of its proper divisors (1).

16053809 is an equidigital number, since it uses as much as digits as its factorization.

16053809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 16053809 is about 4006.7204793946. The cubic root of 16053809 is about 252.2663734529.

The spelling of 16053809 in words is "sixteen million, fifty-three thousand, eight hundred nine".