2025666003 has 4 divisors (see below), whose sum is σ = 2700888008. Its totient is φ = 1350444000.

The previous prime is 2025666001. The next prime is 2025666011. The reversal of 2025666003 is 3006665202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2025666003 - 2¹ = 2025666001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025666001) 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 in 3 ways as a sum of consecutive naturals, for example, 337610998 + ... + 337611003.

It is an arithmetic number, because the mean of its divisors is an integer number (675222002).

Almost surely, 2^2025666003 is an apocalyptic number.

2025666003 is a deficient number, since it is larger than the sum of its proper divisors (675222005).

2025666003 is an equidigital number, since it uses as much as digits as its factorization.

2025666003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675222004.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2025666003 is about 45007.3994249834. The cubic root of 2025666003 is about 1265.2876811907.

The spelling of 2025666003 in words is "two billion, twenty-five million, six hundred sixty-six thousand, three".