16253243 has 2 divisors, whose sum is σ = 16253244. Its totient is φ = 16253242.

The previous prime is 16253239. The next prime is 16253273. The reversal of 16253243 is 34235261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16253243 - 2² = 16253239 is a prime.

It is not a weakly prime, because it can be changed into another prime (16253213) 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, 8126621 + 8126622.

It is an arithmetic number, because the mean of its divisors is an integer number (8126622).

Almost surely, 2^16253243 is an apocalyptic number.

16253243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16253243 is an equidigital number, since it uses as much as digits as its factorization.

16253243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 16253243 is about 4031.5310987266. The cubic root of 16253243 is about 253.3066994545.

The spelling of 16253243 in words is "sixteen million, two hundred fifty-three thousand, two hundred forty-three".