4285643 has 2 divisors, whose sum is σ = 4285644. Its totient is φ = 4285642.

The previous prime is 4285627. The next prime is 4285651. The reversal of 4285643 is 3465824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4285643 - 2⁴ = 4285627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4285663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142821 + 2142822.

It is an arithmetic number, because the mean of its divisors is an integer number (2142822).

Almost surely, 2^4285643 is an apocalyptic number.

4285643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4285643 is an equidigital number, since it uses as much as digits as its factorization.

4285643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 4285643 is about 2070.1794608198. The cubic root of 4285643 is about 162.4321515569.

The spelling of 4285643 in words is "four million, two hundred eighty-five thousand, six hundred forty-three".