505003250 has 32 divisors (see below), whose sum is σ = 965502720. Its totient is φ = 197698800.

The previous prime is 505003231. The next prime is 505003267. The reversal of 505003250 is 52300505.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9740 + ... + 33239.

It is an arithmetic number, because the mean of its divisors is an integer number (30171960).

Almost surely, 2^505003250 is an apocalyptic number.

505003250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505003250 is a deficient number, since it is larger than the sum of its proper divisors (460499470).

505003250 is a wasteful number, since it uses less digits than its factorization.

505003250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43043 (or 43033 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 505003250 is about 22472.2773656788. The cubic root of 505003250 is about 796.3391324899.

Adding to 505003250 its reverse (52300505), we get a palindrome (557303755).

The spelling of 505003250 in words is "five hundred five million, three thousand, two hundred fifty".