505233250 has 16 divisors (see below), whose sum is σ = 945797112. Its totient is φ = 202093200.

The previous prime is 505233241. The next prime is 505233263. The reversal of 505233250 is 52332505.

It can be written as a sum of positive squares in 4 ways, for example, as 135094129 + 370139121 = 11623^2 + 19239^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 7 ways as a sum of consecutive naturals, for example, 1010217 + ... + 1010716.

Almost surely, 2^505233250 is an apocalyptic number.

505233250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505233250 is a deficient number, since it is larger than the sum of its proper divisors (440563862).

505233250 is a wasteful number, since it uses less digits than its factorization.

505233250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020950 (or 2020940 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 505233250 is about 22477.3941995063. The cubic root of 505233250 is about 796.4600097327.

Adding to 505233250 its reverse (52332505), we get a palindrome (557565755).

The spelling of 505233250 in words is "five hundred five million, two hundred thirty-three thousand, two hundred fifty".