4203973 has 2 divisors, whose sum is σ = 4203974. Its totient is φ = 4203972.

The previous prime is 4203967. The next prime is 4204001. The reversal of 4203973 is 3793024.

It is an a-pointer prime, because the next prime (4204001) can be obtained adding 4203973 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3560769 + 643204 = 1887^2 + 802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4203973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4203373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101986 + 2101987.

It is an arithmetic number, because the mean of its divisors is an integer number (2101987).

Almost surely, 2^4203973 is an apocalyptic number.

It is an amenable number.

4203973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4203973 is an equidigital number, since it uses as much as digits as its factorization.

4203973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 4203973 is about 2050.3592368168. The cubic root of 4203973 is about 161.3937227917.

Adding to 4203973 its reverse (3793024), we get a palindrome (7996997).

The spelling of 4203973 in words is "four million, two hundred three thousand, nine hundred seventy-three".