503500225 has 12 divisors (see below), whose sum is σ = 625305340. Its totient is φ = 402177600.

The previous prime is 503500223. The next prime is 503500241. The reversal of 503500225 is 522005305.

It can be written as a sum of positive squares in 6 ways, for example, as 350464 + 503149761 = 592^2 + 22431^2 .

It is not a de Polignac number, because 503500225 - 2¹ = 503500223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503500196 and 503500205.

It is not an unprimeable number, because it can be changed into a prime (503500223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1291 + ... + 31759.

Almost surely, 2^503500225 is an apocalyptic number.

It is an amenable number.

503500225 is a deficient number, since it is larger than the sum of its proper divisors (121805115).

503500225 is a wasteful number, since it uses less digits than its factorization.

503500225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31140 (or 31135 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 503500225 is about 22438.8106859521. The cubic root of 503500225 is about 795.5483078492.

The spelling of 503500225 in words is "five hundred three million, five hundred thousand, two hundred twenty-five".