18248443 has 2 divisors, whose sum is σ = 18248444. Its totient is φ = 18248442.

The previous prime is 18248441. The next prime is 18248449. The reversal of 18248443 is 34484281.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18248443 - 2¹ = 18248441 is a prime.

Together with 18248441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 18248399 and 18248408.

It is not a weakly prime, because it can be changed into another prime (18248441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9124221 + 9124222.

It is an arithmetic number, because the mean of its divisors is an integer number (9124222).

Almost surely, 2^18248443 is an apocalyptic number.

18248443 is a deficient number, since it is larger than the sum of its proper divisors (1).

18248443 is an equidigital number, since it uses as much as digits as its factorization.

18248443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 34.

The square root of 18248443 is about 4271.8196357056. The cubic root of 18248443 is about 263.2743838920.

The spelling of 18248443 in words is "eighteen million, two hundred forty-eight thousand, four hundred forty-three".