505203703 has 2 divisors, whose sum is σ = 505203704. Its totient is φ = 505203702.

The previous prime is 505203679. The next prime is 505203707. The reversal of 505203703 is 307302505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505203703 - 2²⁵ = 471649271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505203707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252601851 + 252601852.

It is an arithmetic number, because the mean of its divisors is an integer number (252601852).

Almost surely, 2^505203703 is an apocalyptic number.

505203703 is a deficient number, since it is larger than the sum of its proper divisors (1).

505203703 is an equidigital number, since it uses as much as digits as its factorization.

505203703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 505203703 is about 22476.7369295456. The cubic root of 505203703 is about 796.4444832654. Note that the first 4 decimals are identical.

The spelling of 505203703 in words is "five hundred five million, two hundred three thousand, seven hundred three".