19852103 has 2 divisors, whose sum is σ = 19852104. Its totient is φ = 19852102.

The previous prime is 19852099. The next prime is 19852109. The reversal of 19852103 is 30125891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19852103 - 2² = 19852099 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19852109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9926051 + 9926052.

It is an arithmetic number, because the mean of its divisors is an integer number (9926052).

Almost surely, 2^19852103 is an apocalyptic number.

19852103 is a deficient number, since it is larger than the sum of its proper divisors (1).

19852103 is an equidigital number, since it uses as much as digits as its factorization.

19852103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 19852103 is about 4455.5698849867. The cubic root of 19852103 is about 270.7710152056.

Adding to 19852103 its reverse (30125891), we get a palindrome (49977994).

The spelling of 19852103 in words is "nineteen million, eight hundred fifty-two thousand, one hundred three".