2081508103 has 2 divisors, whose sum is σ = 2081508104. Its totient is φ = 2081508102.

The previous prime is 2081508071. The next prime is 2081508109. The reversal of 2081508103 is 3018051802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2081508103 - 2⁵ = 2081508071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2081508109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040754051 + 1040754052.

It is an arithmetic number, because the mean of its divisors is an integer number (1040754052).

Almost surely, 2^2081508103 is an apocalyptic number.

2081508103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081508103 is an equidigital number, since it uses as much as digits as its factorization.

2081508103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 2081508103 is about 45623.5476809947. The cubic root of 2081508103 is about 1276.8092940188.

Adding to 2081508103 its reverse (3018051802), we get a palindrome (5099559905).

The spelling of 2081508103 in words is "two billion, eighty-one million, five hundred eight thousand, one hundred three".