503413250 has 16 divisors (see below), whose sum is σ = 942390072. Its totient is φ = 201365200.

The previous prime is 503413249. The next prime is 503413271. The reversal of 503413250 is 52314305.

It can be written as a sum of positive squares in 4 ways, for example, as 141158161 + 362255089 = 11881^2 + 19033^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006577 + ... + 1007076.

Almost surely, 2^503413250 is an apocalyptic number.

503413250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503413250 is a deficient number, since it is larger than the sum of its proper divisors (438976822).

503413250 is a wasteful number, since it uses less digits than its factorization.

503413250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013670 (or 2013660 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 503413250 is about 22436.8725539011. The cubic root of 503413250 is about 795.5024973443.

Adding to 503413250 its reverse (52314305), we get a palindrome (555727555).

The spelling of 503413250 in words is "five hundred three million, four hundred thirteen thousand, two hundred fifty".