4237813 has 2 divisors, whose sum is σ = 4237814. Its totient is φ = 4237812.

The previous prime is 4237787. The next prime is 4237829. The reversal of 4237813 is 3187324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4028049 + 209764 = 2007^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 4237813 - 2⁵ = 4237781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4237843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2118906 + 2118907.

It is an arithmetic number, because the mean of its divisors is an integer number (2118907).

Almost surely, 2^4237813 is an apocalyptic number.

It is an amenable number.

4237813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4237813 is an equidigital number, since it uses as much as digits as its factorization.

4237813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 4237813 is about 2058.5949091553. The cubic root of 4237813 is about 161.8256138010.

It can be divided in two parts, 4237 and 813, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4237813 in words is "four million, two hundred thirty-seven thousand, eight hundred thirteen".