4275643 has 2 divisors, whose sum is σ = 4275644. Its totient is φ = 4275642.

The previous prime is 4275641. The next prime is 4275679. The reversal of 4275643 is 3465724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4275643 - 2¹ = 4275641 is a prime.

It is a super-2 number, since 2×4275643² = 36562246126898, which contains 22 as substring.

Together with 4275641, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 4² + 2⁵ + 7⁴ + 5⁷ + 6² + 4¹¹ + 3⁶ .

4275643 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4275641) 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, 2137821 + 2137822.

It is an arithmetic number, because the mean of its divisors is an integer number (2137822).

Almost surely, 2^4275643 is an apocalyptic number.

4275643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4275643 is an equidigital number, since it uses as much as digits as its factorization.

4275643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 4275643 is about 2067.7628007100. The cubic root of 4275643 is about 162.3057149453.

The spelling of 4275643 in words is "four million, two hundred seventy-five thousand, six hundred forty-three".