18825383 has 2 divisors, whose sum is σ = 18825384. Its totient is φ = 18825382.

The previous prime is 18825377. The next prime is 18825397. The reversal of 18825383 is 38352881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18825383 - 2⁸ = 18825127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18825353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9412691 + 9412692.

It is an arithmetic number, because the mean of its divisors is an integer number (9412692).

Almost surely, 2^18825383 is an apocalyptic number.

18825383 is a deficient number, since it is larger than the sum of its proper divisors (1).

18825383 is an equidigital number, since it uses as much as digits as its factorization.

18825383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 18825383 is about 4338.8227666039. The cubic root of 18825383 is about 266.0201946339.

The spelling of 18825383 in words is "eighteen million, eight hundred twenty-five thousand, three hundred eighty-three".