3125803 has 2 divisors, whose sum is σ = 3125804. Its totient is φ = 3125802.

The previous prime is 3125789. The next prime is 3125809. The reversal of 3125803 is 3085213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3125803 - 2¹⁷ = 2994731 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125809) 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, 1562901 + 1562902.

It is an arithmetic number, because the mean of its divisors is an integer number (1562902).

Almost surely, 2^3125803 is an apocalyptic number.

3125803 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125803 is an equidigital number, since it uses as much as digits as its factorization.

3125803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3125803 is about 1767.9940610760. The cubic root of 3125803 is about 146.2134084315.

The spelling of 3125803 in words is "three million, one hundred twenty-five thousand, eight hundred three".