3995503 has 2 divisors, whose sum is σ = 3995504. Its totient is φ = 3995502.

The previous prime is 3995489. The next prime is 3995507. The reversal of 3995503 is 3055993.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3995503 - 2⁵ = 3995471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3995507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997751 + 1997752.

It is an arithmetic number, because the mean of its divisors is an integer number (1997752).

Almost surely, 2^3995503 is an apocalyptic number.

3995503 is a deficient number, since it is larger than the sum of its proper divisors (1).

3995503 is an equidigital number, since it uses as much as digits as its factorization.

3995503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 34.

The square root of 3995503 is about 1998.8754338377. The cubic root of 3995503 is about 158.6805950354.

The spelling of 3995503 in words is "three million, nine hundred ninety-five thousand, five hundred three".