4066523 has 2 divisors, whose sum is σ = 4066524. Its totient is φ = 4066522.

The previous prime is 4066507. The next prime is 4066537. The reversal of 4066523 is 3256604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4066523 - 2⁴ = 4066507 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4066492 and 4066501.

It is not a weakly prime, because it can be changed into another prime (4066823) 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, 2033261 + 2033262.

It is an arithmetic number, because the mean of its divisors is an integer number (2033262).

Almost surely, 2^4066523 is an apocalyptic number.

4066523 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066523 is an equidigital number, since it uses as much as digits as its factorization.

4066523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 4066523 is about 2016.5621736014. The cubic root of 4066523 is about 159.6152604843.

The spelling of 4066523 in words is "four million, sixty-six thousand, five hundred twenty-three".