16253849 has 2 divisors, whose sum is σ = 16253850. Its totient is φ = 16253848.

The previous prime is 16253843. The next prime is 16253857. The reversal of 16253849 is 94835261.

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., 15840400 + 413449 = 3980^2 + 643^2 .

It is an emirp because it is prime and its reverse (94835261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16253849 - 2⁸ = 16253593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16253843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126924 + 8126925.

It is an arithmetic number, because the mean of its divisors is an integer number (8126925).

Almost surely, 2^16253849 is an apocalyptic number.

It is an amenable number.

16253849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16253849 is an equidigital number, since it uses as much as digits as its factorization.

16253849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 16253849 is about 4031.6062555761. The cubic root of 16253849 is about 253.3098475842.

The spelling of 16253849 in words is "sixteen million, two hundred fifty-three thousand, eight hundred forty-nine".