3721583 has 2 divisors, whose sum is σ = 3721584. Its totient is φ = 3721582.

The previous prime is 3721559. The next prime is 3721603. The reversal of 3721583 is 3851273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3721583 - 2⁸ = 3721327 is a prime.

It is a Sophie Germain prime.

It is equal to p₂₆₄₈₂₇ and since 3721583 and 264827 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3720583) 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, 1860791 + 1860792.

It is an arithmetic number, because the mean of its divisors is an integer number (1860792).

Almost surely, 2^3721583 is an apocalyptic number.

3721583 is a deficient number, since it is larger than the sum of its proper divisors (1).

3721583 is an equidigital number, since it uses as much as digits as its factorization.

3721583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 3721583 is about 1929.1404821837. The cubic root of 3721583 is about 154.9681932654.

The spelling of 3721583 in words is "three million, seven hundred twenty-one thousand, five hundred eighty-three".