2025643 has 2 divisors, whose sum is σ = 2025644. Its totient is φ = 2025642.

The previous prime is 2025641. The next prime is 2025649. The reversal of 2025643 is 3465202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2025643 - 2¹ = 2025641 is a prime.

Together with 2025641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2025641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012821 + 1012822.

It is an arithmetic number, because the mean of its divisors is an integer number (1012822).

2^2025643 is an apocalyptic number.

2025643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025643 is an equidigital number, since it uses as much as digits as its factorization.

2025643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2025643 is about 1423.2508563145. The cubic root of 2025643 is about 126.5282891733.

The spelling of 2025643 in words is "two million, twenty-five thousand, six hundred forty-three".