16305253 has 2 divisors, whose sum is σ = 16305254. Its totient is φ = 16305252.

The previous prime is 16305251. The next prime is 16305269. The reversal of 16305253 is 35250361.

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., 15350724 + 954529 = 3918^2 + 977^2 .

It is an emirp because it is prime and its reverse (35250361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16305253 - 2¹ = 16305251 is a prime.

It is a super-2 number, since 2×16305253² = 531722550788018, which contains 22 as substring.

Together with 16305251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16305251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8152626 + 8152627.

It is an arithmetic number, because the mean of its divisors is an integer number (8152627).

Almost surely, 2^16305253 is an apocalyptic number.

It is an amenable number.

16305253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16305253 is an equidigital number, since it uses as much as digits as its factorization.

16305253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 16305253 is about 4037.9763496088. The cubic root of 16305253 is about 253.5766036144.

The spelling of 16305253 in words is "sixteen million, three hundred five thousand, two hundred fifty-three".