2025666103 has 2 divisors, whose sum is σ = 2025666104. Its totient is φ = 2025666102.

The previous prime is 2025666061. The next prime is 2025666109. The reversal of 2025666103 is 3016665202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2025666103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2025666109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012833051 + 1012833052.

It is an arithmetic number, because the mean of its divisors is an integer number (1012833052).

Almost surely, 2^2025666103 is an apocalyptic number.

2025666103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025666103 is an equidigital number, since it uses as much as digits as its factorization.

2025666103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2025666103 is about 45007.4005359119. The cubic root of 2025666103 is about 1265.2877020116.

Subtracting 2025666103 from its reverse (3016665202), we obtain a palindrome (990999099).

The spelling of 2025666103 in words is "two billion, twenty-five million, six hundred sixty-six thousand, one hundred three".