4020593 has 2 divisors, whose sum is σ = 4020594. Its totient is φ = 4020592.

The previous prime is 4020587. The next prime is 4020617. The reversal of 4020593 is 3950204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3301489 + 719104 = 1817^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020593 - 2⁶ = 4020529 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020503) 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, 2010296 + 2010297.

It is an arithmetic number, because the mean of its divisors is an integer number (2010297).

Almost surely, 2^4020593 is an apocalyptic number.

It is an amenable number.

4020593 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020593 is an equidigital number, since it uses as much as digits as its factorization.

4020593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 4020593 is about 2005.1416408823. The cubic root of 4020593 is about 159.0120502978.

Adding to 4020593 its reverse (3950204), we get a palindrome (7970797).

The spelling of 4020593 in words is "four million, twenty thousand, five hundred ninety-three".