505275250 has 32 divisors (see below), whose sum is σ = 956545200. Its totient is φ = 199830400.

The previous prime is 505275229. The next prime is 505275257. The reversal of 505275250 is 52572505.

It can be written as a sum of positive squares in 8 ways, for example, as 58079641 + 447195609 = 7621^2 + 21147^2 .

It is not an unprimeable number, because it can be changed into a prime (505275257) 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 15 ways as a sum of consecutive naturals, for example, 10896 + ... + 33604.

Almost surely, 2^505275250 is an apocalyptic number.

505275250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505275250 is a deficient number, since it is larger than the sum of its proper divisors (451269950).

505275250 is a wasteful number, since it uses less digits than its factorization.

505275250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815 (or 22805 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 505275250 is about 22478.3284520891. The cubic root of 505275250 is about 796.4820790070.

The spelling of 505275250 in words is "five hundred five million, two hundred seventy-five thousand, two hundred fifty".