505003125 has 96 divisors (see below), whose sum is σ = 944939520. Its totient is φ = 237800000.

The previous prime is 505003117. The next prime is 505003127. The reversal of 505003125 is 521300505.

It is not a de Polignac number, because 505003125 - 2³ = 505003117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505003127) 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 in 95 ways as a sum of consecutive naturals, for example, 6084334 + ... + 6084416.

It is an arithmetic number, because the mean of its divisors is an integer number (9843120).

Almost surely, 2^505003125 is an apocalyptic number.

505003125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505003125 is a deficient number, since it is larger than the sum of its proper divisors (439936395).

505003125 is an equidigital number, since it uses as much as digits as its factorization.

505003125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 505003125 is about 22472.2745844741. The cubic root of 505003125 is about 796.3390667857.

The spelling of 505003125 in words is "five hundred five million, three thousand, one hundred twenty-five".