1810245103 has 2 divisors, whose sum is σ = 1810245104. Its totient is φ = 1810245102.

The previous prime is 1810245053. The next prime is 1810245113. The reversal of 1810245103 is 3015420181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1810245103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1810245113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905122551 + 905122552.

It is an arithmetic number, because the mean of its divisors is an integer number (905122552).

Almost surely, 2^1810245103 is an apocalyptic number.

1810245103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1810245103 is an equidigital number, since it uses as much as digits as its factorization.

1810245103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1810245103 is about 42546.9752508918. The cubic root of 1810245103 is about 1218.7439152604.

Adding to 1810245103 its reverse (3015420181), we get a palindrome (4825665284).

The spelling of 1810245103 in words is "one billion, eight hundred ten million, two hundred forty-five thousand, one hundred three".